CVE-2011-4362 (GCVE-0-2011-4362)
Vulnerability from cvelistv5 – Published: 2011-12-24 19:00 – Updated: 2024-08-07 00:09
VLAI
EPSS
VEX
Summary
Integer signedness error in the base64_decode function in the HTTP authentication functionality (http_auth.c) in lighttpd 1.4 before 1.4.30 and 1.5 before SVN revision 2806 allows remote attackers to cause a denial of service (segmentation fault) via crafted base64 input that triggers an out-of-bounds read with a negative index.
Severity
No CVSS data available.
CWE
- n/a
Assigner
References
13 references
| URL | Tags |
|---|---|
| http://secunia.com/advisories/47260 | third-party-advisoryx_refsource_SECUNIA |
| http://archives.neohapsis.com/archives/bugtraq/20… | mailing-listx_refsource_BUGTRAQ |
| http://www.openwall.com/lists/oss-security/2011/11/29/8 | mailing-listx_refsource_MLIST |
| https://bugzilla.redhat.com/show_bug.cgi?id=758624 | x_refsource_CONFIRM |
| http://www.debian.org/security/2011/dsa-2368 | vendor-advisoryx_refsource_DEBIAN |
| http://www.exploit-db.com/exploits/18295 | exploitx_refsource_EXPLOIT-DB |
| http://blog.pi3.com.pl/?p=277 | x_refsource_MISC |
| http://download.lighttpd.net/lighttpd/security/li… | x_refsource_CONFIRM |
| http://www.openwall.com/lists/oss-security/2011/1… | mailing-listx_refsource_MLIST |
| http://www.securitytracker.com/id?1026359 | vdb-entryx_refsource_SECTRACK |
| https://exchange.xforce.ibmcloud.com/vulnerabilit… | vdb-entryx_refsource_XF |
| http://redmine.lighttpd.net/issues/2370 | x_refsource_CONFIRM |
| http://jvn.jp/en/jp/JVN37417423/index.html | third-party-advisoryx_refsource_JVN |
Date Public
2011-11-29 00:00
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"url": "http://redmine.lighttpd.net/issues/2370"
},
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory"
],
"url": "http://secunia.com/advisories/47260"
},
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory"
],
"url": "http://www.debian.org/security/2011/dsa-2368"
},
{
"source": "secalert@redhat.com",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.exploit-db.com/exploits/18295"
},
{
"source": "secalert@redhat.com",
"tags": [
"Exploit",
"Mailing List",
"Patch",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2011/11/29/13"
},
{
"source": "secalert@redhat.com",
"tags": [
"Exploit",
"Mailing List",
"Patch",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2011/11/29/8"
},
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securitytracker.com/id?1026359"
},
{
"source": "secalert@redhat.com",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=758624"
},
{
"source": "secalert@redhat.com",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71536"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Broken Link"
],
"url": "http://archives.neohapsis.com/archives/bugtraq/2011-12/0167.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory"
],
"url": "http://blog.pi3.com.pl/?p=277"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Patch",
"Vendor Advisory"
],
"url": "http://download.lighttpd.net/lighttpd/security/lighttpd_sa_2011_01.txt"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://jvn.jp/en/jp/JVN37417423/index.html"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Patch",
"Vendor Advisory"
],
"url": "http://redmine.lighttpd.net/issues/2370"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://secunia.com/advisories/47260"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory"
],
"url": "http://www.debian.org/security/2011/dsa-2368"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.exploit-db.com/exploits/18295"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Mailing List",
"Patch",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2011/11/29/13"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Exploit",
"Mailing List",
"Patch",
"Third Party Advisory"
],
"url": "http://www.openwall.com/lists/oss-security/2011/11/29/8"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "http://www.securitytracker.com/id?1026359"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Issue Tracking",
"Third Party Advisory"
],
"url": "https://bugzilla.redhat.com/show_bug.cgi?id=758624"
},
{
"source": "af854a3a-2127-422b-91ae-364da2661108",
"tags": [
"Third Party Advisory",
"VDB Entry"
],
"url": "https://exchange.xforce.ibmcloud.com/vulnerabilities/71536"
}
],
"sourceIdentifier": "secalert@redhat.com",
"vulnStatus": "Modified",
"weaknesses": [
{
"description": [
{
"lang": "en",
"value": "NVD-CWE-Other"
}
],
"source": "nvd@nist.gov",
"type": "Primary"
}
]
}
},
"redhat_vex": {
"current_release_date": "2025-11-21T12:54:49+00:00",
"cve": "CVE-2011-4362",
"id": "CVE-2011-4362",
"initial_release_date": "2011-11-29T00:00:00+00:00",
"product_status:known_not_affected": "1",
"source": "Red Hat CSAF VEX",
"status": "final",
"title": "lighttpd: Out of bounds read due to a signedness error (DoS, crash)",
"url": "https://security.access.redhat.com/data/csaf/v2/vex/2011/cve-2011-4362.json",
"version": "3"
},
"suse_vex": {
"aggregate_severity": "moderate",
"current_release_date": "2025-10-08T01:10:04Z",
"cve": "CVE-2011-4362",
"id": "CVE-2011-4362",
"initial_release_date": "2023-02-15T05:49:57Z",
"product_status:recommended": "38",
"source": "SUSE CSAF VEX",
"status": "interim",
"title": "SUSE CVE CVE-2011-4362",
"url": "https://ftp.suse.com/pub/projects/security/csaf-vex/cve-2011-4362.json",
"version": "8"
}
}
}
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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.
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The MITRE ATT&CK techniques below are AI-generated suggestions, inferred from the description of the
vulnerability by the CIRCL/vulnerability-attack-technique-classification-roberta-base
model, served locally by ML-Gateway.
They have not been verified by an analyst and are provided for guidance only.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
The approach is described in our paper Mapping CVEs to MITRE ATT&CK Techniques: A Curated Gold-Set Classifier and the Limits of LLM-Assisted Label Expansion.
Browse all ATT&CK techniques and the vulnerabilities related to each.
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Related by attack behaviour
Vulnerabilities whose description is nearest to this one in the vector space of the CIRCL/vulnerability-attack-technique-biencoder model. This is a similarity search over the bi-encoder space (plain cosine), not a classification, and it has no measured accuracy.
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