Vulnerability-Lookup

CVE-2015-3281 (GCVE-0-2015-3281)

Vulnerability from cvelistv5 – Published: 2015-07-06 14:55 – Updated: 2024-08-06 05:39

Summary

The buffer_slow_realign function in HAProxy 1.5.x before 1.5.14 and 1.6-dev does not properly realign a buffer that is used for pending outgoing data, which allows remote attackers to obtain sensitive information (uninitialized memory contents of previous requests) via a crafted request.

Severity

No CVSS data available.

CWE

Assigner

redhat CNA under the redhat root

CNA scorecard B 82/100 over 1032 records in the last 180 days details

References

9 references

URL	Tags
http://rhn.redhat.com/errata/RHSA-2015-1741.html	vendor-advisoryx_refsource_REDHAT
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://www.haproxy.org/news.html	x_refsource_CONFIRM
http://rhn.redhat.com/errata/RHSA-2015-2666.html	vendor-advisoryx_refsource_REDHAT
http://www.ubuntu.com/usn/USN-2668-1	vendor-advisoryx_refsource_UBUNTU
http://lists.opensuse.org/opensuse-security-annou…	vendor-advisoryx_refsource_SUSE
http://git.haproxy.org/?p=haproxy-1.5.git%3Ba=com…	x_refsource_CONFIRM
http://www.debian.org/security/2015/dsa-3301	vendor-advisoryx_refsource_DEBIAN
http://www.securityfocus.com/bid/75554	vdb-entryx_refsource_BID

Date Public

2015-07-05 00:00

Show details on NVD website

JSON

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                    "matchCriteriaId": "B76AA310-FEC7-497F-AF04-C3EC1E76C4CC",
                    "vulnerable": true
                  },
                  {
                    "criteria": "cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:*:*:*:*:*:*:*",
                    "matchCriteriaId": "825ECE2D-E232-46E0-A047-074B34DB1E97",
                    "vulnerable": true
                  }
                ],
                "negate": false,
                "operator": "OR"
              }
            ]
          }
        ],
        "cveTags": [],
        "descriptions": [
          {
            "lang": "en",
            "value": "The buffer_slow_realign function in HAProxy 1.5.x before 1.5.14 and 1.6-dev does not properly realign a buffer that is used for pending outgoing data, which allows remote attackers to obtain sensitive information (uninitialized memory contents of previous requests) via a crafted request."
          },
          {
            "lang": "es",
            "value": "La funci\u00f3n buffer_slow_realign en HAProxy 1.5.x anterior a 1.5.14 y 1.6-dev no realinea correctamente un buffer que es utilizado para datos salientes pendientes, lo que permite a atacantes remotos obtener informaci\u00f3n sensible (contenidos de memoria no inicializada de solicitudes previas) a trav\u00e9s de una solicitud manipulada."
          }
        ],
        "id": "CVE-2015-3281",
        "lastModified": "2026-05-06T22:30:45.220",
        "metrics": {
          "cvssMetricV2": [
            {
              "acInsufInfo": false,
              "baseSeverity": "MEDIUM",
              "cvssData": {
                "accessComplexity": "LOW",
                "accessVector": "NETWORK",
                "authentication": "NONE",
                "availabilityImpact": "NONE",
                "baseScore": 5.0,
                "confidentialityImpact": "PARTIAL",
                "integrityImpact": "NONE",
                "vectorString": "AV:N/AC:L/Au:N/C:P/I:N/A:N",
                "version": "2.0"
              },
              "exploitabilityScore": 10.0,
              "impactScore": 2.9,
              "obtainAllPrivilege": false,
              "obtainOtherPrivilege": false,
              "obtainUserPrivilege": false,
              "source": "nvd@nist.gov",
              "type": "Primary",
              "userInteractionRequired": false
            }
          ]
        },
        "published": "2015-07-06T15:59:06.167",
        "references": [
          {
            "source": "secalert@redhat.com",
            "url": "http://git.haproxy.org/?p=haproxy-1.5.git%3Ba=commit%3Bh=7ec765568883b2d4e5a2796adbeb492a22ec9bd4"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00001.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00023.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2015-1741.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2015-2666.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://www.debian.org/security/2015/dsa-3301"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "http://www.haproxy.org/news.html"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/75554"
          },
          {
            "source": "secalert@redhat.com",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2668-1"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "url": "http://git.haproxy.org/?p=haproxy-1.5.git%3Ba=commit%3Bh=7ec765568883b2d4e5a2796adbeb492a22ec9bd4"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00001.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Mailing List",
              "Third Party Advisory"
            ],
            "url": "http://lists.opensuse.org/opensuse-security-announce/2015-10/msg00023.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2015-1741.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://rhn.redhat.com/errata/RHSA-2015-2666.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://www.debian.org/security/2015/dsa-3301"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Patch",
              "Vendor Advisory"
            ],
            "url": "http://www.haproxy.org/news.html"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory",
              "VDB Entry"
            ],
            "url": "http://www.securityfocus.com/bid/75554"
          },
          {
            "source": "af854a3a-2127-422b-91ae-364da2661108",
            "tags": [
              "Third Party Advisory"
            ],
            "url": "http://www.ubuntu.com/usn/USN-2668-1"
          }
        ],
        "sourceIdentifier": "secalert@redhat.com",
        "vulnStatus": "Modified",
        "weaknesses": [
          {
            "description": [
              {
                "lang": "en",
                "value": "CWE-119"
              }
            ],
            "source": "nvd@nist.gov",
            "type": "Primary"
          }
        ]
      }
    },
    "redhat_vex": {
      "aggregate_severity": "Important",
      "current_release_date": "2026-06-27T08:59:14+00:00",
      "cve": "CVE-2015-3281",
      "id": "CVE-2015-3281",
      "initial_release_date": "2015-07-07T00:00:00+00:00",
      "product_status:fixed": "46",
      "product_status:known_not_affected": "1",
      "source": "Red Hat CSAF VEX",
      "status": "final",
      "title": "haproxy: information leak in buffer_slow_realign()",
      "url": "https://security.access.redhat.com/data/csaf/v2/vex/2015/cve-2015-3281.json",
      "version": "3"
    }
  }
}

SUSE-SU-2015:1776-1

Vulnerability from csaf_suse - Published: 2015-09-25 13:22 - Updated: 2026-09-20 12:07

Summary

Security update for haproxy

Severity

Moderate

Scope

1 vulnerability in this advisory, including CVE-2015-3281.

CVE-2015-3281

Recommended: 1 product

Open the full advisory

UBUNTU-CVE-2015-3281 (CVE-2015-3281)

Vulnerability from osv_ubuntu – Published: 2015-07-06 00:00 – Updated: 2025-07-16 04:50 – Source website

Withdrawn 2025-07-18

Details

Severity

N/A (UNKNOWN)


                    
                      medium

References

URL

Type

	https://ubuntu.com/security/CVE-2015-3281	REPORT
	http://www.haproxy.org/news.html	REPORT
	http://www.debian.org/security/2015/dsa-3301	REPORT
	https://ubuntu.com/security/notices/USN-2668-1	ADVISORY
	https://www.cve.org/CVERecord?id=CVE-2015-3281	REPORT

JSON

To clipboard

{
  "affected": [
    {
      "ecosystem_specific": {
        "availability": "No subscription required",
        "binaries": [
          {
            "binary_name": "haproxy",
            "binary_version": "1.4.24-2"
          },
          {
            "binary_name": "vim-haproxy",
            "binary_version": "1.4.24-2"
          }
        ]
      },
      "package": {
        "ecosystem": "Ubuntu:14.04:LTS",
        "name": "haproxy",
        "purl": "pkg:deb/ubuntu/haproxy@1.4.24-2?arch=source\u0026distro=trusty"
      },
      "ranges": [
        {
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.4.24-2"
            }
          ],
          "type": "ECOSYSTEM"
        }
      ],
      "versions": [
        "1.4.24-1"
      ]
    }
  ],
  "aliases": [],
  "details": "The buffer_slow_realign function in HAProxy 1.5.x before 1.5.14 and 1.6-dev does not properly realign a buffer that is used for pending outgoing data, which allows remote attackers to obtain sensitive information (uninitialized memory contents of previous requests) via a crafted request.",
  "id": "UBUNTU-CVE-2015-3281",
  "modified": "2025-07-16T04:50:48Z",
  "published": "2015-07-06T00:00:00Z",
  "references": [
    {
      "type": "REPORT",
      "url": "https://ubuntu.com/security/CVE-2015-3281"
    },
    {
      "type": "REPORT",
      "url": "http://www.haproxy.org/news.html"
    },
    {
      "type": "REPORT",
      "url": "http://www.debian.org/security/2015/dsa-3301"
    },
    {
      "type": "ADVISORY",
      "url": "https://ubuntu.com/security/notices/USN-2668-1"
    },
    {
      "type": "REPORT",
      "url": "https://www.cve.org/CVERecord?id=CVE-2015-3281"
    }
  ],
  "related": [
    "USN-2668-1"
  ],
  "schema_version": "1.7.0",
  "severity": [
    {
      "score": "medium",
      "type": "Ubuntu"
    }
  ],
  "upstream": [
    "CVE-2015-3281"
  ],
  "withdrawn": "2025-07-18T16:43:12Z"
}

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.
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Action not permitted

CVE-2015-3281 (GCVE-0-2015-3281)

SUSE-SU-2015:1776-1

UBUNTU-CVE-2015-3281 (CVE-2015-3281)

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