RHSA-2015_1741

Vulnerability from csaf_redhat - Published: 2015-09-08 11:30 - Updated: 2024-11-22 09:21
Summary
Red Hat Security Advisory: haproxy security update
Severity
Important
Notes
Topic: An updated haproxy package that fixes one security issue is now available for Red Hat Enterprise Linux 6 and 7. Red Hat Product Security has rated this update as having Important security impact. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available from the CVE link in the References section.
Details: HAProxy provides high availability, load balancing, and proxying for TCP and HTTP-based applications. An implementation error related to the memory management of request and responses was found within HAProxy's buffer_slow_realign() function. An unauthenticated remote attacker could possibly use this flaw to leak certain memory buffer contents from a past request or session. (CVE-2015-3281) All haproxy users are advised to upgrade to this updated package, which contains a backported patch to correct this issue.
Terms of Use: This content is licensed under the Creative Commons Attribution 4.0 International License (https://creativecommons.org/licenses/by/4.0/). If you distribute this content, or a modified version of it, you must provide attribution to Red Hat Inc. and provide a link to the original.
CVE-2015-3281

An implementation error related to the memory management of request and responses was found within HAProxy's buffer_slow_realign() function. An unauthenticated remote attacker could possibly use this flaw to leak certain memory buffer contents from a past request or session.

5.0 ()
AV:N/AC:L/Au:N/C:P/I:N/A:N
CWE-119 - Improper Restriction of Operations within the Bounds of a Memory Buffer
Vendor Fix Before applying this update, make sure all previously released errata relevant to your system have been applied. For details on how to apply this update, refer to: https://access.redhat.com/articles/11258 https://access.redhat.com/errata/RHSA-2015:1741
References
To clipboard 

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            "6Server-LoadBalancer-6.7.z:haproxy-0:1.5.4-2.el6_7.1.src",
            "6Server-LoadBalancer-6.7.z:haproxy-0:1.5.4-2.el6_7.1.x86_64",
            "6Server-LoadBalancer-6.7.z:haproxy-debuginfo-0:1.5.4-2.el6_7.1.i686",
            "6Server-LoadBalancer-6.7.z:haproxy-debuginfo-0:1.5.4-2.el6_7.1.x86_64",
            "7Server-7.1.Z:haproxy-0:1.5.4-4.el7_1.1.src",
            "7Server-7.1.Z:haproxy-0:1.5.4-4.el7_1.1.x86_64",
            "7Server-7.1.Z:haproxy-debuginfo-0:1.5.4-4.el7_1.1.x86_64",
            "7Workstation-7.1.Z:haproxy-0:1.5.4-4.el7_1.1.src",
            "7Workstation-7.1.Z:haproxy-0:1.5.4-4.el7_1.1.x86_64",
            "7Workstation-7.1.Z:haproxy-debuginfo-0:1.5.4-4.el7_1.1.x86_64"
          ]
        }
      ],
      "threats": [
        {
          "category": "impact",
          "details": "Important"
        }
      ],
      "title": "haproxy: information leak in buffer_slow_realign()"
    }
  ]
}


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Tags
Taxonomy of the tags.




Sightings

Author Source Type Date

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.