Common Weakness Enumeration
CWE-690
DiscouragedUnchecked Return Value to NULL Pointer Dereference
Abstraction: Compound · Status: Draft
The product does not check for an error after calling a function that can return with a NULL pointer if the function fails, which leads to a resultant NULL pointer dereference.
35 vulnerabilities reference this CWE, most recent first.
CVE-2022-20682 (GCVE-0-2022-20682)
Vulnerability from cvelistv5 – Published: 2022-04-15 14:16 – Updated: 2024-11-06 16:25
VLAI
EPSS
VEX
Title
Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family CAPWAP Denial of Service Vulnerability
Summary
A vulnerability in the Control and Provisioning of Wireless Access Points (CAPWAP) protocol processing of Cisco IOS XE Wireless Controller Software for the Catalyst 9000 Family could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition on an affected device. This vulnerability is due to inadequate input validation of incoming CAPWAP packets encapsulating multicast DNS (mDNS) queries. An attacker could exploit this vulnerability by connecting to a wireless network and sending a crafted mDNS query, which would flow through and be processed by the wireless controller. A successful exploit could allow the attacker to cause the affected device to crash and reload, resulting in a DoS condition.
Severity
8.6 (High)
SSVC
Exploitation: none
Automatable: yes
Technical Impact: partial
CISA Coordinator · CISA-ADP (v2.0.3)
Decision recorded 2024-11-06 16:01 UTC
CWE
Assigner
cisco
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://tools.cisco.com/security/center/content/C… | vendor-advisoryx_refsource_CISCO |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| Cisco | Cisco IOS XE Software |
Affected:
n/a
|
Date Public
2022-04-13 00:00
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CVE-2020-36646 (GCVE-0-2020-36646)
Vulnerability from cvelistv5 – Published: 2023-01-07 19:34 – Updated: 2024-08-04 17:30
VLAI
EPSS
VEX
Title
MediaArea ZenLib Ztring.cpp Date_From_Seconds_1970_Local unknown vulnerability
Summary
A vulnerability classified as problematic has been found in MediaArea ZenLib up to 0.4.38. This affects the function Ztring::Date_From_Seconds_1970_Local of the file Source/ZenLib/Ztring.cpp. The manipulation of the argument Value leads to unchecked return value to null pointer dereference. Upgrading to version 0.4.39 is able to address this issue. The identifier of the patch is 6475fcccd37c9cf17e0cfe263b5fe0e2e47a8408. It is recommended to upgrade the affected component. The identifier VDB-217629 was assigned to this vulnerability.
Severity
CWE
- CWE-690 - Unchecked Return Value to NULL Pointer Dereference
Assigner
VulDB
CNA
References
5 references
| URL | Tags |
|---|---|
| https://vuldb.com/?id.217629 | vdb-entrytechnical-description |
| https://vuldb.com/?ctiid.217629 | signaturepermissions-required |
| https://github.com/MediaArea/ZenLib/pull/119 | issue-tracking |
| https://github.com/MediaArea/ZenLib/commit/6475fc… | patch |
| https://github.com/MediaArea/ZenLib/releases/tag/… | patch |
Impacted products
1 product
| Vendor | Product | Version | |
|---|---|---|---|
| MediaArea | ZenLib |
Affected:
0.4.0
Affected: 0.4.1 Affected: 0.4.2 Affected: 0.4.3 Affected: 0.4.4 Affected: 0.4.5 Affected: 0.4.6 Affected: 0.4.7 Affected: 0.4.8 Affected: 0.4.9 Affected: 0.4.10 Affected: 0.4.11 Affected: 0.4.12 Affected: 0.4.13 Affected: 0.4.14 Affected: 0.4.15 Affected: 0.4.16 Affected: 0.4.17 Affected: 0.4.18 Affected: 0.4.19 Affected: 0.4.20 Affected: 0.4.21 Affected: 0.4.22 Affected: 0.4.23 Affected: 0.4.24 Affected: 0.4.25 Affected: 0.4.26 Affected: 0.4.27 Affected: 0.4.28 Affected: 0.4.29 Affected: 0.4.30 Affected: 0.4.31 Affected: 0.4.32 Affected: 0.4.33 Affected: 0.4.34 Affected: 0.4.35 Affected: 0.4.36 Affected: 0.4.37 Affected: 0.4.38 |
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CVE-2020-13582 (GCVE-0-2020-13582)
Vulnerability from cvelistv5 – Published: 2021-01-26 18:15 – Updated: 2024-08-04 12:25
VLAI
EPSS
VEX
Summary
A denial-of-service vulnerability exists in the HTTP Server functionality of Micrium uC-HTTP 3.01.00. A specially crafted HTTP request can lead to denial of service. An attacker can send an HTTP request to trigger this vulnerability.
Severity
8.6 (High)
CWE
- CWE-690 - Unchecked Return Value to NULL Pointer Dereference
Assigner
talos
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://talosintelligence.com/vulnerability_repor… | x_refsource_MISC |
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CVE-2020-6095 (GCVE-0-2020-6095)
Vulnerability from cvelistv5 – Published: 2020-03-27 19:20 – Updated: 2024-08-04 08:47
VLAI
EPSS
VEX
Summary
An exploitable denial of service vulnerability exists in the GstRTSPAuth functionality of GStreamer/gst-rtsp-server 1.14.5. A specially crafted RTSP setup request can cause a null pointer deference resulting in denial-of-service. An attacker can send a malicious packet to trigger this vulnerability.
Severity
7.5 (High)
CWE
- CWE-690 - Unchecked Return Value to NULL Pointer Dereference
Assigner
talos
CNA
References
4 references
| URL | Tags |
|---|---|
| http://lists.opensuse.org/opensuse-security-annou… | vendor-advisoryx_refsource_SUSE |
| https://security.gentoo.org/glsa/202009-05 | vendor-advisoryx_refsource_GENTOO |
| https://www.talosintelligence.com/vulnerability_r… | x_refsource_MISC |
| https://gitlab.freedesktop.org/gstreamer/gst-rtsp… | x_refsource_MISC |
Impacted products
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CVE-2020-1648 (GCVE-0-2020-1648)
Vulnerability from cvelistv5 – Published: 2020-07-17 18:40 – Updated: 2024-09-16 19:40
VLAI
EPSS
VEX
Title
Junos OS and Junos OS Evolved: RPD crash when processing a specific BGP packet
Summary
On Juniper Networks Junos OS and Junos OS Evolved devices, processing a specific BGP packet can lead to a routing process daemon (RPD) crash and restart. This issue can occur even before the BGP session with the peer is established. Repeated receipt of this specific BGP packet can result in an extended Denial of Service (DoS) condition. This issue affects: Juniper Networks Junos OS: 18.2X75 versions starting from 18.2X75-D50.8, 18.2X75-D60 and later versions, prior to 18.2X75-D52.8, 18.2X75-D53, 18.2X75-D60.2, 18.2X75-D65.1, 18.2X75-D70; 19.4 versions 19.4R1 and 19.4R1-S1; 20.1 versions prior to 20.1R1-S2, 20.1R2. Juniper Networks Junos OS Evolved: 19.4-EVO versions prior to 19.4R2-S2-EVO; 20.1-EVO versions prior to 20.1R2-EVO. This issue does not affect: Juniper Networks Junos OS releases prior to 19.4R1. Juniper Networks Junos OS Evolved releases prior to 19.4R1-EVO.
Severity
7.5 (High)
CWE
Assigner
juniper
CNA
References
1 reference
| URL | Tags |
|---|---|
| https://kb.juniper.net/JSA11035 | x_refsource_CONFIRM |
Impacted products
2 products
| Vendor | Product | Version | |
|---|---|---|---|
| Juniper Networks | Junos OS |
Affected:
18.2X75-D50.8 18.2X75-D60 , < 18.2X75*
(custom)
Unaffected: 19.4 , < 19.4R1 (custom) Affected: 20.1 , < 20.1R1-S2, 20.1R2 (custom) |
|
| Juniper Networks | Junos OS Evolved |
Unaffected:
19.4-EVO , < 19.4R1-EVO
(custom)
Affected: 20.1-EVO , < 20.1R2-EVO (custom) |
Date Public
2020-07-08 00:00
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No mitigation information available for this CWE.
No CAPEC attack patterns related to this CWE.