Common Weakness Enumeration
CWE-391
ProhibitedUnchecked Error Condition
Abstraction: Base · Status: Incomplete
[PLANNED FOR DEPRECATION. SEE MAINTENANCE NOTES AND CONSIDER CWE-252, CWE-248, OR CWE-1069.] Ignoring exceptions and other error conditions may allow an attacker to induce unexpected behavior unnoticed.
28 vulnerabilities reference this CWE, most recent first.
CVE-2022-20849 (GCVE-0-2022-20849)
Vulnerability from cvelistv5 – Published: 2024-11-15 15:31 – Updated: 2024-11-15 15:46
VLAI
EPSS
VEX
Title
Cisco IOS XR Software Broadband Network Gateway PPPoE Denial of Service Vulnerability
Summary
A vulnerability in the Broadband Network Gateway PPP over Ethernet (PPPoE) feature of Cisco IOS XR Software could allow an unauthenticated, adjacent attacker to cause the PPPoE process to continually crash.
This vulnerability exists because the PPPoE feature does not properly handle an error condition within a specific crafted packet sequence. An attacker could exploit this vulnerability by sending a sequence of specific PPPoE packets from controlled customer premises equipment (CPE). A successful exploit could allow the attacker to cause the PPPoE process to continually restart, resulting in a denial of service condition (DoS).Cisco has released software updates that address this vulnerability. There are no workarounds that address this vulnerability.This advisory is part of the September 2022 release of the Cisco IOS XR Software Security Advisory Bundled Publication. For a complete list of the advisories and links to them, see .
Severity
6.1 (Medium)
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-15 15:46 UTC
CWE
- CWE-391 - Unchecked Error Condition
Assigner
cisco
CNA
References
1 reference
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XR Software |
Affected:
6.5.3
Affected: 6.6.1 Affected: 6.5.15 Affected: 7.0.1 Affected: 6.6.25 Affected: 6.6.2 Affected: 6.5.1 Affected: 6.5.2 Affected: 7.1.1 Affected: 7.0.90 Affected: 6.6.3 Affected: 6.7.1 Affected: 7.0.2 Affected: 7.1.15 Affected: 7.1.2 Affected: 7.2.1 Affected: 6.7.2 Affected: 7.1.25 Affected: 6.6.4 Affected: 7.3.1 Affected: 7.1.3 Affected: 6.7.3 Affected: 7.4.1 Affected: 7.2.2 Affected: 6.8.1 Affected: 7.3.2 Affected: 7.5.1 Affected: 7.3.3 Affected: 6.8.2 Affected: 7.3.4 Affected: 7.4.2 Affected: 6.7.35 Affected: 6.9.1 |
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CVE-2020-14383 (GCVE-0-2020-14383)
Vulnerability from cvelistv5 – Published: 2020-12-02 00:00 – Updated: 2024-08-15 15:47
VLAI
EPSS
VEX
Summary
A flaw was found in samba's DNS server. An authenticated user could use this flaw to the RPC server to crash. This RPC server, which also serves protocols other than dnsserver, will be restarted after a short delay, but it is easy for an authenticated non administrative attacker to crash it again as soon as it returns. The Samba DNS server itself will continue to operate, but many RPC services will not.
Severity
No CVSS data available.
SSVC
Exploitation: none
Automatable: no
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-04-23 15:10 UTC
CWE
Assigner
redhat
CNA
References
4 references
Impacted products
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CVE-2019-14853 (GCVE-0-2019-14853)
Vulnerability from cvelistv5 – Published: 2019-11-26 12:06 – Updated: 2024-08-05 00:26
VLAI
EPSS
VEX
Summary
An error-handling flaw was found in python-ecdsa before version 0.13.3. During signature decoding, malformed DER signatures could raise unexpected exceptions (or no exceptions at all), which could lead to a denial of service.
Severity
CWE
Assigner
redhat
CNA
References
4 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2… | x_refsource_CONFIRM |
| https://github.com/warner/python-ecdsa/releases/t… | x_refsource_MISC |
| https://www.debian.org/security/2019/dsa-4588 | vendor-advisoryx_refsource_DEBIAN |
| https://seclists.org/bugtraq/2019/Dec/33 | mailing-listx_refsource_BUGTRAQ |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| [UNKNOWN] | python-ecdsa |
Affected:
0.13.3
|
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CVE-2018-1091 (GCVE-0-2018-1091)
Vulnerability from cvelistv5 – Published: 2018-03-27 21:00 – Updated: 2024-08-05 03:51
VLAI
EPSS
VEX
Summary
In the flush_tmregs_to_thread function in arch/powerpc/kernel/ptrace.c in the Linux kernel before 4.13.5, a guest kernel crash can be triggered from unprivileged userspace during a core dump on a POWER host due to a missing processor feature check and an erroneous use of transactional memory (TM) instructions in the core dump path, leading to a denial of service.
Severity
No CVSS data available.
CWE
Assigner
redhat
CNA
References
8 references
| URL | Tags |
|---|---|
| https://bugzilla.redhat.com/show_bug.cgi?id=1558149 | x_refsource_CONFIRM |
| https://www.kernel.org/pub/linux/kernel/v4.x/Chan… | x_refsource_CONFIRM |
| https://marc.info/?l=linuxppc-embedded&m=15053553… | x_refsource_CONFIRM |
| https://access.redhat.com/security/cve/cve-2018-1091 | x_refsource_CONFIRM |
| https://access.redhat.com/errata/RHSA-2018:1318 | vendor-advisoryx_refsource_REDHAT |
| http://git.kernel.org/cgit/linux/kernel/git/torva… | x_refsource_CONFIRM |
| https://github.com/torvalds/linux/commit/c1fa0768… | x_refsource_CONFIRM |
| http://openwall.com/lists/oss-security/2018/03/27/4 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| n/a | Linux kernel v4.13 and newer |
Affected:
Linux kernel v4.13 and newer
|
Date Public
2018-03-27 00:00
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CVE-2017-12187 (GCVE-0-2017-12187)
Vulnerability from cvelistv5 – Published: 2018-01-24 15:00 – Updated: 2024-09-16 19:30
VLAI
EPSS
VEX
Summary
xorg-x11-server before 1.19.5 was missing length validation in RENDER extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Severity
No CVSS data available.
CWE
Assigner
redhat
CNA
References
4 references
| URL | Tags |
|---|---|
| https://www.debian.org/security/2017/dsa-4000 | vendor-advisoryx_refsource_DEBIAN |
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| https://cgit.freedesktop.org/xorg/xserver/commit/… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The X.Org Foundation | xorg-x11-server |
Affected:
before 1.19.5
|
Date Public
2017-10-10 00:00
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CVE-2017-12186 (GCVE-0-2017-12186)
Vulnerability from cvelistv5 – Published: 2018-01-24 15:00 – Updated: 2024-09-17 00:46
VLAI
EPSS
VEX
Summary
xorg-x11-server before 1.19.5 was missing length validation in X-Resource extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Severity
No CVSS data available.
CWE
Assigner
redhat
CNA
References
3 references
| URL | Tags |
|---|---|
| https://www.debian.org/security/2017/dsa-4000 | vendor-advisoryx_refsource_DEBIAN |
| https://bugzilla.redhat.com/show_bug.cgi?id=1509216 | x_refsource_CONFIRM |
| https://cgit.freedesktop.org/xorg/xserver/commit/… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The X.Org Foundation | xorg-x11-server |
Affected:
before 1.19.5
|
Date Public
2017-10-10 00:00
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CVE-2017-12185 (GCVE-0-2017-12185)
Vulnerability from cvelistv5 – Published: 2018-01-24 15:00 – Updated: 2024-08-05 18:28
VLAI
EPSS
VEX
Summary
xorg-x11-server before 1.19.5 was missing length validation in MIT-SCREEN-SAVER extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Severity
No CVSS data available.
CWE
Assigner
redhat
CNA
References
4 references
| URL | Tags |
|---|---|
| https://www.debian.org/security/2017/dsa-4000 | vendor-advisoryx_refsource_DEBIAN |
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| https://bugzilla.redhat.com/show_bug.cgi?id=1509215 | x_refsource_CONFIRM |
Date Public
2017-10-10 00:00
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CVE-2017-12184 (GCVE-0-2017-12184)
Vulnerability from cvelistv5 – Published: 2018-01-24 15:00 – Updated: 2024-09-17 02:41
VLAI
EPSS
VEX
Summary
xorg-x11-server before 1.19.5 was missing length validation in XINERAMA extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Severity
No CVSS data available.
CWE
Assigner
redhat
CNA
References
4 references
| URL | Tags |
|---|---|
| https://www.debian.org/security/2017/dsa-4000 | vendor-advisoryx_refsource_DEBIAN |
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| https://cgit.freedesktop.org/xorg/xserver/commit/… | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The X.Org Foundation | xorg-x11-server |
Affected:
before 1.19.5
|
Date Public
2017-10-10 00:00
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CVE-2017-12183 (GCVE-0-2017-12183)
Vulnerability from cvelistv5 – Published: 2018-01-24 15:00 – Updated: 2024-09-16 19:21
VLAI
EPSS
VEX
Summary
xorg-x11-server before 1.19.5 was missing length validation in XFIXES extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Severity
No CVSS data available.
CWE
Assigner
redhat
CNA
References
5 references
| URL | Tags |
|---|---|
| https://www.debian.org/security/2017/dsa-4000 | vendor-advisoryx_refsource_DEBIAN |
| https://cgit.freedesktop.org/xorg/xserver/commit/… | x_refsource_CONFIRM |
| https://lists.debian.org/debian-lts-announce/2017… | mailing-listx_refsource_MLIST |
| https://security.gentoo.org/glsa/201711-05 | vendor-advisoryx_refsource_GENTOO |
| https://bugzilla.redhat.com/show_bug.cgi?id=1509224 | x_refsource_CONFIRM |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The X.Org Foundation | xorg-x11-server |
Affected:
before 1.19.5
|
Date Public
2017-10-10 00:00
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CVE-2017-12182 (GCVE-0-2017-12182)
Vulnerability from cvelistv5 – Published: 2018-01-24 15:00 – Updated: 2024-09-16 23:11
VLAI
EPSS
VEX
Summary
xorg-x11-server before 1.19.5 was missing length validation in XFree86 DRI extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code.
Severity
No CVSS data available.
CWE
Assigner
redhat
CNA
References
5 references
| URL | Tags |
|---|---|
| https://www.debian.org/security/2017/dsa-4000 | vendor-advisoryx_refsource_DEBIAN |
| https://cgit.freedesktop.org/xorg/xserver/commit/… | x_refsource_CONFIRM |
| https://bugzilla.redhat.com/show_bug.cgi?id=1509223 | x_refsource_CONFIRM |
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| https://security.gentoo.org/glsa/201711-05 | vendor-advisoryx_refsource_GENTOO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| The X.Org Foundation | xorg-x11-server |
Affected:
before 1.19.5
|
Date Public
2017-10-10 00:00
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"description_data": [
{
"lang": "eng",
"value": "xorg-x11-server before 1.19.5 was missing length validation in XFree86 DRI extension allowing malicious X client to cause X server to crash or possibly execute arbitrary code."
}
]
},
"problemtype": {
"problemtype_data": [
{
"description": [
{
"lang": "eng",
"value": "CWE-391"
}
]
}
]
},
"references": {
"reference_data": [
{
"name": "DSA-4000",
"refsource": "DEBIAN",
"url": "https://www.debian.org/security/2017/dsa-4000"
},
{
"name": "https://cgit.freedesktop.org/xorg/xserver/commit/?id=1b1d4c04695dced2463404174b50b3581dbd857b",
"refsource": "CONFIRM",
"url": "https://cgit.freedesktop.org/xorg/xserver/commit/?id=1b1d4c04695dced2463404174b50b3581dbd857b"
},
{
"name": "https://bugzilla.redhat.com/show_bug.cgi?id=1509223",
"refsource": "CONFIRM",
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=1509223"
},
{
"name": "[debian-lts-announce] 20171122 [SECURITY] [DLA 1186-1] xorg-server security update",
"refsource": "MLIST",
"url": "https://lists.debian.org/debian-lts-announce/2017/11/msg00032.html"
},
{
"name": "GLSA-201711-05",
"refsource": "GENTOO",
"url": "https://security.gentoo.org/glsa/201711-05"
}
]
}
}
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2017-12182",
"datePublished": "2018-01-24T15:00:00.000Z",
"dateReserved": "2017-08-01T00:00:00.000Z",
"dateUpdated": "2024-09-16T23:11:10.194Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1"
}
Mitigation
Requirements
The choice between a language which has named or unnamed exceptions needs to be done. While unnamed exceptions exacerbate the chance of not properly dealing with an exception, named exceptions suffer from the up call version of the weak base class problem.
Mitigation
Requirements
A language can be used which requires, at compile time, to catch all serious exceptions. However, one must make sure to use the most current version of the API as new exceptions could be added.
Mitigation
Implementation
Catch all relevant exceptions. This is the recommended solution. Ensure that all exceptions are handled in such a way that you can be sure of the state of your system at any given moment.
No CAPEC attack patterns related to this CWE.