CVE-2012-2135 (GCVE-0-2012-2135)
Vulnerability from cvelistv5 – Published: 2012-08-14 22:00 – Updated: 2024-08-06 19:26
VLAI
Summary
The utf-16 decoder in Python 3.1 through 3.3 does not update the aligned_end variable after calling the unicode_decode_call_errorhandler function, which allows remote attackers to obtain sensitive information (process memory) or cause a denial of service (memory corruption and crash) via unspecified vectors.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
8 references
| URL | Tags |
|---|---|
| http://www.ubuntu.com/usn/USN-1615-1 | vendor-advisoryx_refsource_UBUNTU |
| http://secunia.com/advisories/51087 | third-party-advisoryx_refsource_SECUNIA |
| http://www.ubuntu.com/usn/USN-1616-1 | vendor-advisoryx_refsource_UBUNTU |
| http://bugs.python.org/issue14579 | x_refsource_MISC |
| http://secunia.com/advisories/51089 | third-party-advisoryx_refsource_SECUNIA |
| http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670389 | x_refsource_MISC |
| http://www.openwall.com/lists/oss-security/2012/04/25/4 | mailing-listx_refsource_MLIST |
| http://www.openwall.com/lists/oss-security/2012/04/25/2 | mailing-listx_refsource_MLIST |
Date Public
2012-04-14 00:00
{
"containers": {
"adp": [
{
"providerMetadata": {
"dateUpdated": "2024-08-06T19:26:09.000Z",
"orgId": "af854a3a-2127-422b-91ae-364da2661108",
"shortName": "CVE"
},
"references": [
{
"name": "USN-1615-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU",
"x_transferred"
],
"url": "http://www.ubuntu.com/usn/USN-1615-1"
},
{
"name": "51087",
"tags": [
"third-party-advisory",
"x_refsource_SECUNIA",
"x_transferred"
],
"url": "http://secunia.com/advisories/51087"
},
{
"name": "USN-1616-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU",
"x_transferred"
],
"url": "http://www.ubuntu.com/usn/USN-1616-1"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://bugs.python.org/issue14579"
},
{
"name": "51089",
"tags": [
"third-party-advisory",
"x_refsource_SECUNIA",
"x_transferred"
],
"url": "http://secunia.com/advisories/51089"
},
{
"tags": [
"x_refsource_MISC",
"x_transferred"
],
"url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670389"
},
{
"name": "[oss-security] 20120425 Re: CVE Request: Python 3.2/3.3 utf-16 decoder unicode_decode_call_errorhandler aligned_end is not updated",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2012/04/25/4"
},
{
"name": "[oss-security] 20120425 CVE Request: Python 3.2/3.3 utf-16 decoder unicode_decode_call_errorhandler aligned_end is not updated",
"tags": [
"mailing-list",
"x_refsource_MLIST",
"x_transferred"
],
"url": "http://www.openwall.com/lists/oss-security/2012/04/25/2"
}
],
"title": "CVE Program Container"
}
],
"cna": {
"affected": [
{
"product": "n/a",
"vendor": "n/a",
"versions": [
{
"status": "affected",
"version": "n/a"
}
]
}
],
"datePublic": "2012-04-14T00:00:00.000Z",
"descriptions": [
{
"lang": "en",
"value": "The utf-16 decoder in Python 3.1 through 3.3 does not update the aligned_end variable after calling the unicode_decode_call_errorhandler function, which allows remote attackers to obtain sensitive information (process memory) or cause a denial of service (memory corruption and crash) via unspecified vectors."
}
],
"problemTypes": [
{
"descriptions": [
{
"description": "n/a",
"lang": "en",
"type": "text"
}
]
}
],
"providerMetadata": {
"dateUpdated": "2013-01-29T10:00:00.000Z",
"orgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"shortName": "redhat"
},
"references": [
{
"name": "USN-1615-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU"
],
"url": "http://www.ubuntu.com/usn/USN-1615-1"
},
{
"name": "51087",
"tags": [
"third-party-advisory",
"x_refsource_SECUNIA"
],
"url": "http://secunia.com/advisories/51087"
},
{
"name": "USN-1616-1",
"tags": [
"vendor-advisory",
"x_refsource_UBUNTU"
],
"url": "http://www.ubuntu.com/usn/USN-1616-1"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://bugs.python.org/issue14579"
},
{
"name": "51089",
"tags": [
"third-party-advisory",
"x_refsource_SECUNIA"
],
"url": "http://secunia.com/advisories/51089"
},
{
"tags": [
"x_refsource_MISC"
],
"url": "http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670389"
},
{
"name": "[oss-security] 20120425 Re: CVE Request: Python 3.2/3.3 utf-16 decoder unicode_decode_call_errorhandler aligned_end is not updated",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2012/04/25/4"
},
{
"name": "[oss-security] 20120425 CVE Request: Python 3.2/3.3 utf-16 decoder unicode_decode_call_errorhandler aligned_end is not updated",
"tags": [
"mailing-list",
"x_refsource_MLIST"
],
"url": "http://www.openwall.com/lists/oss-security/2012/04/25/2"
}
]
}
},
"cveMetadata": {
"assignerOrgId": "53f830b8-0a3f-465b-8143-3b8a9948e749",
"assignerShortName": "redhat",
"cveId": "CVE-2012-2135",
"datePublished": "2012-08-14T22:00:00.000Z",
"dateReserved": "2012-04-04T00:00:00.000Z",
"dateUpdated": "2024-08-06T19:26:09.000Z",
"state": "PUBLISHED"
},
"dataType": "CVE_RECORD",
"dataVersion": "5.1",
"vulnerability-lookup:meta": {
"epss": {
"cve": "CVE-2012-2135",
"date": "2026-06-03",
"epss": "0.01368",
"percentile": "0.80532"
},
"nvd": "{\"cve\":{\"id\":\"CVE-2012-2135\",\"sourceIdentifier\":\"secalert@redhat.com\",\"published\":\"2012-08-14T22:55:01.253\",\"lastModified\":\"2026-04-29T01:13:23.040\",\"vulnStatus\":\"Modified\",\"cveTags\":[],\"descriptions\":[{\"lang\":\"en\",\"value\":\"The utf-16 decoder in Python 3.1 through 3.3 does not update the aligned_end variable after calling the unicode_decode_call_errorhandler function, which allows remote attackers to obtain sensitive information (process memory) or cause a denial of service (memory corruption and crash) via unspecified vectors.\"},{\"lang\":\"es\",\"value\":\"El descodificador UTF-16 en Python v3.1 a v3.3 no actualiza la variable aligned_end despu\u00e9s de llamar a la funci\u00f3n unicode_decode_call_errorhandler, lo que permite a atacantes remotos obtener informaci\u00f3n sensible (la memoria del proceso) o provocar una denegaci\u00f3n de servicio (por corrupci\u00f3n de memoria y ca\u00edda la aplicaci\u00f3n) a trav\u00e9s de vectores no especificados.\\r\\n\"}],\"metrics\":{\"cvssMetricV2\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"cvssData\":{\"version\":\"2.0\",\"vectorString\":\"AV:N/AC:L/Au:N/C:P/I:N/A:P\",\"baseScore\":6.4,\"accessVector\":\"NETWORK\",\"accessComplexity\":\"LOW\",\"authentication\":\"NONE\",\"confidentialityImpact\":\"PARTIAL\",\"integrityImpact\":\"NONE\",\"availabilityImpact\":\"PARTIAL\"},\"baseSeverity\":\"MEDIUM\",\"exploitabilityScore\":10.0,\"impactScore\":4.9,\"acInsufInfo\":false,\"obtainAllPrivilege\":false,\"obtainUserPrivilege\":false,\"obtainOtherPrivilege\":false,\"userInteractionRequired\":false}]},\"weaknesses\":[{\"source\":\"nvd@nist.gov\",\"type\":\"Primary\",\"description\":[{\"lang\":\"en\",\"value\":\"NVD-CWE-Other\"}]}],\"configurations\":[{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:python:python:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"2.7.0\",\"versionEndExcluding\":\"2.7.4\",\"matchCriteriaId\":\"A599D400-4DFF-45E9-869D-4C51FC04B520\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:python:python:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.2.0\",\"versionEndExcluding\":\"3.2.4\",\"matchCriteriaId\":\"D2CC57DA-61B2-4C5D-BDC4-7430912BD702\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:a:python:python:*:*:*:*:*:*:*:*\",\"versionStartIncluding\":\"3.3.0\",\"versionEndExcluding\":\"3.3.3\",\"matchCriteriaId\":\"FD5652D5-BBAF-4BEC-82C3-5CB960846578\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:10.04:*:*:*:-:*:*:*\",\"matchCriteriaId\":\"01EDA41C-6B2E-49AF-B503-EB3882265C11\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:11.04:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"EF49D26F-142E-468B-87C1-BABEA445255C\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:11.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E4174F4F-149E-41A6-BBCC-D01114C05F38\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:12.04:*:*:*:-:*:*:*\",\"matchCriteriaId\":\"CB66DB75-2B16-4EBF-9B93-CE49D8086E41\"},{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:canonical:ubuntu_linux:12.10:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"E2076871-2E80-4605-A470-A41C1A8EC7EE\"}]}]},{\"nodes\":[{\"operator\":\"OR\",\"negate\":false,\"cpeMatch\":[{\"vulnerable\":true,\"criteria\":\"cpe:2.3:o:debian:debian_linux:6.0:*:*:*:*:*:*:*\",\"matchCriteriaId\":\"036E8A89-7A16-411F-9D31-676313BB7244\"}]}]}],\"references\":[{\"url\":\"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670389\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://bugs.python.org/issue14579\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://secunia.com/advisories/51087\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://secunia.com/advisories/51089\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2012/04/25/2\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2012/04/25/4\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-1615-1\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-1616-1\",\"source\":\"secalert@redhat.com\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=670389\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://bugs.python.org/issue14579\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Vendor Advisory\"]},{\"url\":\"http://secunia.com/advisories/51087\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://secunia.com/advisories/51089\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2012/04/25/2\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.openwall.com/lists/oss-security/2012/04/25/4\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Mailing List\",\"Third Party Advisory\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-1615-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]},{\"url\":\"http://www.ubuntu.com/usn/USN-1616-1\",\"source\":\"af854a3a-2127-422b-91ae-364da2661108\",\"tags\":[\"Third Party Advisory\"]}]}}"
}
}
Loading…
Loading…
Experimental. This forecast is provided for visualization only and may change without notice. Do not use it for operational decisions.
Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.
Sightings
| Author | Source | Type | Date | Other |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
Loading…
Loading…