Vulnerability-Lookup

FKIE_CVE-2016-2851

Vulnerability from fkie_nvd - Published: 2016-04-07 23:59 - Updated: 2026-06-17 00:44

Severity

9.8 (Critical) - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Summary

Integer overflow in proto.c in libotr before 4.1.1 on 64-bit platforms allows remote attackers to cause a denial of service (memory corruption and application crash) or execute arbitrary code via a series of large OTR messages, which triggers a heap-based buffer overflow.

References

URL	Tags
cve@mitre.org	http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00021.html	Mailing List
cve@mitre.org	http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00030.html	Vendor Advisory
cve@mitre.org	http://seclists.org/fulldisclosure/2016/Mar/21	Exploit, Mailing List, Third Party Advisory
cve@mitre.org	http://www.debian.org/security/2016/dsa-3512	Third Party Advisory
cve@mitre.org	http://www.securityfocus.com/archive/1/537745/100/0/threaded	Third Party Advisory
cve@mitre.org	http://www.securityfocus.com/bid/84285	Third Party Advisory, VDB Entry
cve@mitre.org	http://www.ubuntu.com/usn/USN-2926-1	Third Party Advisory
cve@mitre.org	https://lists.cypherpunks.ca/pipermail/otr-users/2016-March/002581.html	Exploit
cve@mitre.org	https://security.gentoo.org/glsa/201701-10	Third Party Advisory
cve@mitre.org	https://www.exploit-db.com/exploits/39550/	Third Party Advisory, VDB Entry
cve@mitre.org	https://www.x41-dsec.de/lab/advisories/x41-2016-001-libotr/	Exploit
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00021.html	Mailing List
af854a3a-2127-422b-91ae-364da2661108	http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00030.html	Vendor Advisory
af854a3a-2127-422b-91ae-364da2661108	http://seclists.org/fulldisclosure/2016/Mar/21	Exploit, Mailing List, Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.debian.org/security/2016/dsa-3512	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/archive/1/537745/100/0/threaded	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	http://www.securityfocus.com/bid/84285	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	http://www.ubuntu.com/usn/USN-2926-1	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://lists.cypherpunks.ca/pipermail/otr-users/2016-March/002581.html	Exploit
af854a3a-2127-422b-91ae-364da2661108	https://security.gentoo.org/glsa/201701-10	Third Party Advisory
af854a3a-2127-422b-91ae-364da2661108	https://www.exploit-db.com/exploits/39550/	Third Party Advisory, VDB Entry
af854a3a-2127-422b-91ae-364da2661108	https://www.x41-dsec.de/lab/advisories/x41-2016-001-libotr/	Exploit

Impacted products

Vendor	Product	Version
debian	debian_linux	7.0
debian	debian_linux	8.0
opensuse	leap	42.1
opensuse	opensuse	13.2
cypherpunks	libotr	*

JSON

To clipboard

{
  "affected": [
    {
      "affectedData": [
        {
          "product": "n/a",
          "vendor": "n/a",
          "versions": [
            {
              "status": "affected",
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    }
  ],
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            },
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              "matchCriteriaId": "26B9C4D7-9262-46BF-A959-AB6961C1DE84",
              "versionEndIncluding": "4.1.0",
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            }
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  "cveTags": [],
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  ],
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  "lastModified": "2026-06-17T00:44:35.597",
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          "accessVector": "NETWORK",
          "authentication": "NONE",
          "availabilityImpact": "PARTIAL",
          "baseScore": 7.5,
          "confidentialityImpact": "PARTIAL",
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        "exploitabilityScore": 10.0,
        "impactScore": 6.4,
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          "baseScore": 9.8,
          "baseSeverity": "CRITICAL",
          "confidentialityImpact": "HIGH",
          "integrityImpact": "HIGH",
          "privilegesRequired": "NONE",
          "scope": "UNCHANGED",
          "userInteraction": "NONE",
          "vectorString": "CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H",
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  "published": "2016-04-07T23:59:09.940",
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      "source": "cve@mitre.org",
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      "url": "http://www.securityfocus.com/archive/1/537745/100/0/threaded"
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}

CVE-2016-2851 (GCVE-0-2016-2851)

Vulnerability from cvelistv5 – Published: 2016-04-07 23:00 – Updated: 2024-08-05 23:32

Summary

Severity

No CVSS data available.

CWE

Assigner

mitre mitre root

References

11 references

URL	Tags
http://www.ubuntu.com/usn/USN-2926-1	vendor-advisoryx_refsource_UBUNTU
http://www.securityfocus.com/archive/1/537745/100…	mailing-listx_refsource_BUGTRAQ
http://www.debian.org/security/2016/dsa-3512	vendor-advisoryx_refsource_DEBIAN
https://security.gentoo.org/glsa/201701-10	vendor-advisoryx_refsource_GENTOO
https://www.exploit-db.com/exploits/39550/	exploitx_refsource_EXPLOIT-DB
http://www.securityfocus.com/bid/84285	vdb-entryx_refsource_BID
http://seclists.org/fulldisclosure/2016/Mar/21	mailing-listx_refsource_FULLDISC
https://www.x41-dsec.de/lab/advisories/x41-2016-0…	x_refsource_MISC
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
https://lists.cypherpunks.ca/pipermail/otr-users/…	mailing-listx_refsource_MLIST
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE

Date Public

2016-03-09 00:00

Show details on NVD website

JSON

To clipboard

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              "name": "USN-2926-1",
              "refsource": "UBUNTU",
              "url": "http://www.ubuntu.com/usn/USN-2926-1"
            },
            {
              "name": "20160309 Advisory X41-2016-001: Memory Corruption Vulnerability in \"libotr\"",
              "refsource": "BUGTRAQ",
              "url": "http://www.securityfocus.com/archive/1/537745/100/0/threaded"
            },
            {
              "name": "DSA-3512",
              "refsource": "DEBIAN",
              "url": "http://www.debian.org/security/2016/dsa-3512"
            },
            {
              "name": "GLSA-201701-10",
              "refsource": "GENTOO",
              "url": "https://security.gentoo.org/glsa/201701-10"
            },
            {
              "name": "39550",
              "refsource": "EXPLOIT-DB",
              "url": "https://www.exploit-db.com/exploits/39550/"
            },
            {
              "name": "84285",
              "refsource": "BID",
              "url": "http://www.securityfocus.com/bid/84285"
            },
            {
              "name": "20160309 Advisory X41-2016-001: Memory Corruption Vulnerability in \"libotr\"",
              "refsource": "FULLDISC",
              "url": "http://seclists.org/fulldisclosure/2016/Mar/21"
            },
            {
              "name": "https://www.x41-dsec.de/lab/advisories/x41-2016-001-libotr/",
              "refsource": "MISC",
              "url": "https://www.x41-dsec.de/lab/advisories/x41-2016-001-libotr/"
            },
            {
              "name": "openSUSE-SU-2016:0708",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00021.html"
            },
            {
              "name": "[OTR-users] 20160309 Security Advisory: upgrade to libotr 4.1.1",
              "refsource": "MLIST",
              "url": "https://lists.cypherpunks.ca/pipermail/otr-users/2016-March/002581.html"
            },
            {
              "name": "openSUSE-SU-2016:0732",
              "refsource": "SUSE",
              "url": "http://lists.opensuse.org/opensuse-security-announce/2016-03/msg00030.html"
            }
          ]
        }
      }
    }
  },
  "cveMetadata": {
    "assignerOrgId": "8254265b-2729-46b6-b9e3-3dfca2d5bfca",
    "assignerShortName": "mitre",
    "cveId": "CVE-2016-2851",
    "datePublished": "2016-04-07T23:00:00.000Z",
    "dateReserved": "2016-03-06T00:00:00.000Z",
    "dateUpdated": "2024-08-05T23:32:21.378Z",
    "state": "PUBLISHED"
  },
  "dataType": "CVE_RECORD",
  "dataVersion": "5.1"
}

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.

Detection rules are retrieved from Rulezet.

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.

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.