gsd-2021-3939
Vulnerability from gsd
Modified
2023-12-13 01:23
Details
Ubuntu-specific modifications to accountsservice (in patch file debian/patches/0010-set-language.patch) caused the fallback_locale variable, pointing to static storage, to be freed, in the user_change_language_authorized_cb function. This is reachable via the SetLanguage dbus function. This is fixed in versions 0.6.55-0ubuntu12~20.04.5, 0.6.55-0ubuntu13.3, 0.6.55-0ubuntu14.1.
Aliases
Aliases
{ "GSD": { "alias": "CVE-2021-3939", "description": "Ubuntu-specific modifications to accountsservice (in patch file debian/patches/0010-set-language.patch) caused the fallback_locale variable, pointing to static storage, to be freed, in the user_change_language_authorized_cb function. This is reachable via the SetLanguage dbus function. This is fixed in versions 0.6.55-0ubuntu12~20.04.5, 0.6.55-0ubuntu13.3, 0.6.55-0ubuntu14.1.", "id": "GSD-2021-3939", "references": [ "https://www.suse.com/security/cve/CVE-2021-3939.html", "https://ubuntu.com/security/CVE-2021-3939" ] }, "gsd": { "metadata": { "exploitCode": "unknown", "remediation": "unknown", "reportConfidence": "confirmed", "type": "vulnerability" }, "osvSchema": { "aliases": [ "CVE-2021-3939" ], "details": "Ubuntu-specific modifications to accountsservice (in patch file debian/patches/0010-set-language.patch) caused the fallback_locale variable, pointing to static storage, to be freed, in the user_change_language_authorized_cb function. This is reachable via the SetLanguage dbus function. This is fixed in versions 0.6.55-0ubuntu12~20.04.5, 0.6.55-0ubuntu13.3, 0.6.55-0ubuntu14.1.", "id": "GSD-2021-3939", "modified": "2023-12-13T01:23:34.652915Z", "schema_version": "1.4.0" } }, "namespaces": { "cve.org": { "CVE_data_meta": { "ASSIGNER": "security@ubuntu.com", "DATE_PUBLIC": "2021-11-16T19:08:00.000Z", "ID": "CVE-2021-3939", "STATE": "PUBLIC", "TITLE": "Free of static data in accountsservice" }, "affects": { "vendor": { "vendor_data": [ { "product": { "product_data": [ { "product_name": "accountsservice", "version": { "version_data": [ { "version_affected": "\u003c", "version_name": "0.6.55-0ubuntu12~20.04", "version_value": "0.6.55-0ubuntu12~20.04.5" }, { "version_affected": "\u003c", "version_name": "0.6.55-0ubuntu13", "version_value": "0.6.55-0ubuntu13.3" }, { "version_affected": "\u003c", "version_name": "0.6.55-0ubuntu14", "version_value": "0.6.55-0ubuntu14.1" } ] } } ] }, "vendor_name": "Ubuntu" } ] } }, "credit": [ { "lang": "eng", "value": "Kevin Backhouse" } ], "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "eng", "value": "Ubuntu-specific modifications to accountsservice (in patch file debian/patches/0010-set-language.patch) caused the fallback_locale variable, pointing to static storage, to be freed, in the user_change_language_authorized_cb function. This is reachable via the SetLanguage dbus function. This is fixed in versions 0.6.55-0ubuntu12~20.04.5, 0.6.55-0ubuntu13.3, 0.6.55-0ubuntu14.1." } ] }, "generator": { "engine": "Vulnogram 0.0.9" }, "impact": { "cvss": { "attackComplexity": "HIGH", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "CHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:C/C:H/I:H/A:H", "version": "3.1" } }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "eng", "value": "CWE-590 Free of Memory not on the Heap" } ] } ] }, "references": { "reference_data": [ { "name": "https://ubuntu.com/security/notices/USN-5149-1", "refsource": "MISC", "url": "https://ubuntu.com/security/notices/USN-5149-1" }, { "name": "https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/1950149", "refsource": "MISC", "url": "https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/1950149" }, { "name": "http://packetstormsecurity.com/files/172848/Ubuntu-accountsservice-Double-Free-Memory-Corruption.html", "refsource": "MISC", "url": "http://packetstormsecurity.com/files/172848/Ubuntu-accountsservice-Double-Free-Memory-Corruption.html" } ] }, "source": { "advisory": "USN-5149-1", "defect": [ "https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/1950149" ], "discovery": "EXTERNAL" } }, "nvd.nist.gov": { "configurations": { "CVE_data_version": "4.0", "nodes": [ { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:a:canonical:accountsservice:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "0.6.55-0ubuntu12\\~20.05", "versionStartIncluding": "0.6.55-0ubuntu12\\~20.04", "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:canonical:accountsservice:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "0.6.55-0ubuntu13.3", "versionStartIncluding": "0.6.55-0ubuntu13", "vulnerable": true }, { "cpe23Uri": "cpe:2.3:a:canonical:accountsservice:*:*:*:*:*:*:*:*", "cpe_name": [], "versionEndExcluding": "0.6.55-0ubuntu14.1", "versionStartIncluding": "0.6.55-0ubuntu14", "vulnerable": true } ], "operator": "OR" }, { "children": [], "cpe_match": [ { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:20.04:*:*:*:lts:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:21.04:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true }, { "cpe23Uri": "cpe:2.3:o:canonical:ubuntu_linux:21.10:*:*:*:*:*:*:*", "cpe_name": [], "vulnerable": true } ], "operator": "OR" } ] }, "cve": { "CVE_data_meta": { "ASSIGNER": "security@ubuntu.com", "ID": "CVE-2021-3939" }, "data_format": "MITRE", "data_type": "CVE", "data_version": "4.0", "description": { "description_data": [ { "lang": "en", "value": "Ubuntu-specific modifications to accountsservice (in patch file debian/patches/0010-set-language.patch) caused the fallback_locale variable, pointing to static storage, to be freed, in the user_change_language_authorized_cb function. This is reachable via the SetLanguage dbus function. This is fixed in versions 0.6.55-0ubuntu12~20.04.5, 0.6.55-0ubuntu13.3, 0.6.55-0ubuntu14.1." } ] }, "problemtype": { "problemtype_data": [ { "description": [ { "lang": "en", "value": "CWE-763" } ] } ] }, "references": { "reference_data": [ { "name": "https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/1950149", "refsource": "MISC", "tags": [ "Broken Link" ], "url": "https://bugs.launchpad.net/ubuntu/+source/accountsservice/+bug/1950149" }, { "name": "https://ubuntu.com/security/notices/USN-5149-1", "refsource": "MISC", "tags": [ "Vendor Advisory" ], "url": "https://ubuntu.com/security/notices/USN-5149-1" }, { "name": "http://packetstormsecurity.com/files/172848/Ubuntu-accountsservice-Double-Free-Memory-Corruption.html", "refsource": "MISC", "tags": [], "url": "http://packetstormsecurity.com/files/172848/Ubuntu-accountsservice-Double-Free-Memory-Corruption.html" } ] } }, "impact": { "baseMetricV2": { "acInsufInfo": false, "cvssV2": { "accessComplexity": "LOW", "accessVector": "LOCAL", "authentication": "NONE", "availabilityImpact": "COMPLETE", "baseScore": 7.2, "confidentialityImpact": "COMPLETE", "integrityImpact": "COMPLETE", "vectorString": "AV:L/AC:L/Au:N/C:C/I:C/A:C", "version": "2.0" }, "exploitabilityScore": 3.9, "impactScore": 10.0, "obtainAllPrivilege": false, "obtainOtherPrivilege": false, "obtainUserPrivilege": false, "severity": "HIGH", "userInteractionRequired": false }, "baseMetricV3": { "cvssV3": { "attackComplexity": "LOW", "attackVector": "LOCAL", "availabilityImpact": "HIGH", "baseScore": 7.8, "baseSeverity": "HIGH", "confidentialityImpact": "HIGH", "integrityImpact": "HIGH", "privilegesRequired": "LOW", "scope": "UNCHANGED", "userInteraction": "NONE", "vectorString": "CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H", "version": "3.1" }, "exploitabilityScore": 1.8, "impactScore": 5.9 } }, "lastModifiedDate": "2023-06-12T07:16Z", "publishedDate": "2021-11-17T04:15Z" } } }
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Sightings
Author | Source | Type | Date |
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Nomenclature
- Seen: The vulnerability was mentioned, discussed, or seen somewhere by the user.
- Confirmed: The vulnerability is confirmed from an analyst perspective.
- 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.
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