CVE-2026-77113 (GCVE-0-2026-77113)
Vulnerability from cvelistv5
Published
2026-08-20 22:32
Modified
2026-08-21 20:08
Severity ?
VLAI Severity ?
EPSS score ?
CWE
- CWE-23 - Relative path traversal
Summary
Path traversal in apport-unpack in Canonical Apport before 2.36.0, 2.34.2, and 2.28.4 on Linux allows an attacker to create or overwrite arbitrary files with the privileges of the executing user via an attacker controlled key names in crash report files.
References
| URL | Tags | |||||||
|---|---|---|---|---|---|---|---|---|
|
||||||||
Impacted products
{
"containers": {
"adp": [
{
"metrics": [
{
"other": {
"content": {
"id": "CVE-2026-77113",
"options": [
{
"Exploitation": "none"
},
{
"Automatable": "no"
},
{
"Technical Impact": "partial"
}
],
"role": "CISA Coordinator",
"timestamp": "2026-08-21T19:50:19.847915Z",
"version": "2.0.3"
},
"type": "ssvc"
}
}
],
"providerMetadata": {
"dateUpdated": "2026-08-21T20:08:37.866Z",
"orgId": "134c704f-9b21-4f2e-91b3-4a467353bcc0",
"shortName": "CISA-ADP"
},
"title": "CISA ADP Vulnrichment"
}
],
"cna": {
"affected": [
{
"defaultStatus": "unaffected",
"packageName": "apport-unpack",
"platforms": [
"Linux"
],
"product": "Apport",
"programFiles": [
"problem_report.py"
],
"repo": "https://github.com/canonical/apport",
"vendor": "Canonical",
"versions": [
{
"lessThan": "2.36.0",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "2.34.2",
"status": "affected",
"version": "0",
"versionType": "semver"
},
{
"lessThan": "2.28.4",
"status": "affected",
"version": "0",
"versionType": "semver"
}
]
}
],
"cpeApplicability": [
{
"nodes": [
{
"cpeMatch": [
{
"criteria": "cpe:2.3:a:canonical:apport:*:*:linux:*:*:*:*:*",
"versionEndExcluding": "2.36.0",
"versionStartIncluding": "0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:canonical:apport:*:*:linux:*:*:*:*:*",
"versionEndExcluding": "2.34.2",
"versionStartIncluding": "0",
"vulnerable": true
},
{
"criteria": "cpe:2.3:a:canonical:apport:*:*:linux:*:*:*:*:*",
"versionEndExcluding": "2.28.4",
"versionStartIncluding": "0",
"vulnerable": true
}
],
"negate": false,
"operator": "OR"
}
],
"operator": "OR"
}
],
"credits": [
{
"lang": "en",
"type": "finder",
"value": "Sakib Sarkar (0xROI)"
}
],
"descriptions": [
{
"lang": "en",
"value": "Path traversal in apport-unpack in Canonical Apport before\u00a02.36.0,\u00a02.34.2, and\u00a02.28.4\u00a0on Linux allows an attacker to create or overwrite arbitrary files with the privileges of the executing user via an attacker controlled key names in crash report files."
}
],
"impacts": [
{
"capecId": "CAPEC-126",
"descriptions": [
{
"lang": "en",
"value": "CAPEC-126 Path Traversal"
}
]
}
],
"metrics": [
{
"cvssV4_0": {
"Automatable": "NOT_DEFINED",
"Recovery": "NOT_DEFINED",
"Safety": "NOT_DEFINED",
"attackComplexity": "LOW",
"attackRequirements": "NONE",
"attackVector": "LOCAL",
"baseScore": 6.7,
"baseSeverity": "MEDIUM",
"exploitMaturity": "NOT_DEFINED",
"privilegesRequired": "NONE",
"providerUrgency": "NOT_DEFINED",
"subAvailabilityImpact": "NONE",
"subConfidentialityImpact": "NONE",
"subIntegrityImpact": "NONE",
"userInteraction": "ACTIVE",
"valueDensity": "NOT_DEFINED",
"vectorString": "CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N",
"version": "4.0",
"vulnAvailabilityImpact": "NONE",
"vulnConfidentialityImpact": "NONE",
"vulnIntegrityImpact": "HIGH",
"vulnerabilityResponseEffort": "NOT_DEFINED"
},
"format": "CVSS",
"scenarios": [
{
"lang": "en",
"value": "GENERAL"
}
]
}
],
"problemTypes": [
{
"descriptions": [
{
"cweId": "CWE-23",
"description": "CWE-23 Relative path traversal",
"lang": "en",
"type": "CWE"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2026-08-20T22:32:51.447Z",
"orgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
"shortName": "canonical"
},
"references": [
{
"tags": [
"issue-tracking",
"vendor-advisory"
],
"url": "https://launchpad.net/bugs/2161697"
},
{
"tags": [
"patch"
],
"url": "https://github.com/canonical/apport/pull/646"
}
],
"source": {
"discovery": "UNKNOWN"
},
"title": "Path Traversal Vulnerability in apport-unpack",
"x_generator": {
"engine": "cvelib 1.8.0"
}
}
},
"cveMetadata": {
"assignerOrgId": "cc1ad9ee-3454-478d-9317-d3e869d708bc",
"assignerShortName": "canonical",
"cveId": "CVE-2026-77113",
"datePublished": "2026-08-20T22:32:51.447Z",
"dateReserved": "2026-08-20T11:53:23.292Z",
"dateUpdated": "2026-08-21T20:08:37.866Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.2",
"vulnerability-lookup:meta": {
"vulnrichment": {
"containers": "{\"adp\": [{\"title\": \"CISA ADP Vulnrichment\", \"metrics\": [{\"other\": {\"type\": \"ssvc\", \"content\": {\"id\": \"CVE-2026-77113\", \"role\": \"CISA Coordinator\", \"options\": [{\"Exploitation\": \"none\"}, {\"Automatable\": \"no\"}, {\"Technical Impact\": \"partial\"}], \"version\": \"2.0.3\", \"timestamp\": \"2026-08-21T19:50:19.847915Z\"}}}], \"providerMetadata\": {\"orgId\": \"134c704f-9b21-4f2e-91b3-4a467353bcc0\", \"shortName\": \"CISA-ADP\", \"dateUpdated\": \"2026-08-21T20:06:22.658Z\"}}], \"cna\": {\"title\": \"Path Traversal Vulnerability in apport-unpack\", \"source\": {\"discovery\": \"UNKNOWN\"}, \"credits\": [{\"lang\": \"en\", \"type\": \"finder\", \"value\": \"Sakib Sarkar (0xROI)\"}], \"impacts\": [{\"capecId\": \"CAPEC-126\", \"descriptions\": [{\"lang\": \"en\", \"value\": \"CAPEC-126 Path Traversal\"}]}], \"metrics\": [{\"format\": \"CVSS\", \"cvssV4_0\": {\"Safety\": \"NOT_DEFINED\", \"version\": \"4.0\", \"Recovery\": \"NOT_DEFINED\", \"baseScore\": 6.7, \"Automatable\": \"NOT_DEFINED\", \"attackVector\": \"LOCAL\", \"baseSeverity\": \"MEDIUM\", \"valueDensity\": \"NOT_DEFINED\", \"vectorString\": \"CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N\", \"exploitMaturity\": \"NOT_DEFINED\", \"providerUrgency\": \"NOT_DEFINED\", \"userInteraction\": \"ACTIVE\", \"attackComplexity\": \"LOW\", \"attackRequirements\": \"NONE\", \"privilegesRequired\": \"NONE\", \"subIntegrityImpact\": \"NONE\", \"vulnIntegrityImpact\": \"HIGH\", \"subAvailabilityImpact\": \"NONE\", \"vulnAvailabilityImpact\": \"NONE\", \"subConfidentialityImpact\": \"NONE\", \"vulnConfidentialityImpact\": \"NONE\", \"vulnerabilityResponseEffort\": \"NOT_DEFINED\"}, \"scenarios\": [{\"lang\": \"en\", \"value\": \"GENERAL\"}]}], \"affected\": [{\"repo\": \"https://github.com/canonical/apport\", \"vendor\": \"Canonical\", \"product\": \"Apport\", \"versions\": [{\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"2.36.0\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"2.34.2\", \"versionType\": \"semver\"}, {\"status\": \"affected\", \"version\": \"0\", \"lessThan\": \"2.28.4\", \"versionType\": \"semver\"}], \"platforms\": [\"Linux\"], \"packageName\": \"apport-unpack\", \"programFiles\": [\"problem_report.py\"], \"defaultStatus\": \"unaffected\"}], \"references\": [{\"url\": \"https://launchpad.net/bugs/2161697\", \"tags\": [\"issue-tracking\", \"vendor-advisory\"]}, {\"url\": \"https://github.com/canonical/apport/pull/646\", \"tags\": [\"patch\"]}], \"x_generator\": {\"engine\": \"cvelib 1.8.0\"}, \"descriptions\": [{\"lang\": \"en\", \"value\": \"Path traversal in apport-unpack in Canonical Apport before\\u00a02.36.0,\\u00a02.34.2, and\\u00a02.28.4\\u00a0on Linux allows an attacker to create or overwrite arbitrary files with the privileges of the executing user via an attacker controlled key names in crash report files.\"}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"type\": \"CWE\", \"cweId\": \"CWE-23\", \"description\": \"CWE-23 Relative path traversal\"}]}], \"cpeApplicability\": [{\"nodes\": [{\"negate\": false, \"cpeMatch\": [{\"criteria\": \"cpe:2.3:a:canonical:apport:*:*:linux:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"2.36.0\", \"versionStartIncluding\": \"0\"}, {\"criteria\": \"cpe:2.3:a:canonical:apport:*:*:linux:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"2.34.2\", \"versionStartIncluding\": \"0\"}, {\"criteria\": \"cpe:2.3:a:canonical:apport:*:*:linux:*:*:*:*:*\", \"vulnerable\": true, \"versionEndExcluding\": \"2.28.4\", \"versionStartIncluding\": \"0\"}], \"operator\": \"OR\"}], \"operator\": \"OR\"}], \"providerMetadata\": {\"orgId\": \"cc1ad9ee-3454-478d-9317-d3e869d708bc\", \"shortName\": \"canonical\", \"dateUpdated\": \"2026-08-20T22:32:51.447Z\"}}}",
"cveMetadata": "{\"cveId\": \"CVE-2026-77113\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2026-08-21T20:08:37.866Z\", \"dateReserved\": \"2026-08-20T11:53:23.292Z\", \"assignerOrgId\": \"cc1ad9ee-3454-478d-9317-d3e869d708bc\", \"datePublished\": \"2026-08-20T22:32:51.447Z\", \"assignerShortName\": \"canonical\"}",
"dataType": "CVE_RECORD",
"dataVersion": "5.2"
}
}
}
Loading…
Loading…
Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: This vulnerability was exploited and seen by the user reporting the sighting.
- Patched: This vulnerability was successfully patched by the user reporting the sighting.
- Not exploited: This vulnerability was not exploited or seen by the user reporting the sighting.
- Not confirmed: The user expresses doubt about the veracity of the vulnerability.
- Not patched: This vulnerability was not successfully patched by the user reporting the sighting.
Loading…
Loading…