Linux Kernel sctp_setsockopt_auth_key() function denial of service

linux-kernel-sctpsetsockoptauthkey-dos (44723) The risk level is classified as MediumMedium Risk

Description:

The Linux Kernel is vulnerable to a denial of service, caused by an integer overflow in the sctp_setsockopt_auth_key() function. A remote attacker could exploit this vulnerability using unknown attack vectors to cause a kernel panic.

*CVSS:

Base Score: 7.8
  Access Vector: Network
  Access Complexity: Medium
  Authentication: None
  Confidentiality Impact: None
  Integrity Impact: Partial
  Availability Impact: Complete
 
Temporal Score: 6.3
  Exploitability: Unproven
  Remediation Level: Unavailable
  Report Confidence: Uncorroborated

Consequences:

Denial of Service

Remedy:

Upgrade to the latest version of Linux Kernel (2.6.27-rc9 or later), available from The Linux Kernel Archives Web site. See References.

References:

  • oss-security Mailing List, 26 Aug 17:23: CVE-2008-3526 Linux kernel sctp_setsockopt_auth_key() integer overflow.
  • The Linux Kernel Archives Web site: The Linux Kernel Archives.
  • BID-30847: Linux Kernel 'sctp_setsockopt_auth_key()' Remote Denial of Service Vulnerability
  • CVE-2008-3526: Integer overflow in the sctp_setsockopt_auth_key function in net/sctp/socket.c in the Stream Control Transmission Protocol (sctp) implementation in the Linux kernel 2.6.24-rc1 through 2.6.26.3 allows remote attackers to cause a denial of service (panic) or possibly have unspecified other impact via a crafted sca_keylength field associated with the SCTP_AUTH_KEY option.
  • DSA-1636: linux-2.6.24 -- denial of service/information leak
  • MDVSA-2008:223: kernel
  • RHSA-2008-0857: Important: kernel security and bug fix update
  • SUSE-SA:2008:053: Linux kernel security update
  • USN-659-1: Linux kernel vulnerabilities

Platforms Affected:

  • Canonical Ubuntu 6.06 LTS
  • Canonical Ubuntu 7.10
  • Canonical Ubuntu 8.04 LTS
  • Debian Debian Linux 4.0
  • Linux Kernel 2.6.24 rc5
  • Linux Kernel 2.6.24 rc4
  • Linux Kernel 2.6.24 rc3
  • Linux Kernel 2.6.24 rc1
  • Linux Kernel 2.6.24 rc2
  • Linux Kernel 2.6.24.1
  • Linux Kernel 2.6.24.2
  • Linux Kernel 2.6.24.6
  • Linux Kernel 2.6.25
  • Linux Kernel 2.6.25.1
  • Linux Kernel 2.6.25.10
  • Linux Kernel 2.6.25.11
  • Linux Kernel 2.6.25.12
  • Linux Kernel 2.6.25.13
  • Linux Kernel 2.6.25.15
  • Linux Kernel 2.6.25.2
  • Linux Kernel 2.6.25.3
  • Linux Kernel 2.6.25.4
  • Linux Kernel 2.6.25.5
  • Linux Kernel 2.6.25.6
  • Linux Kernel 2.6.25.7
  • Linux Kernel 2.6.25.8
  • Linux Kernel 2.6.25.9
  • Linux Kernel 2.6.26
  • Linux Kernel 2.6.26 rc5-git1
  • Linux Kernel 2.6.26 rc6
  • Linux Kernel 2.6.26.1
  • Linux Kernel 2.6.27 rc2
  • Linux Kernel 2.6.27 rc1
  • MandrakeSoft Mandrake Linux 2008.1
  • MandrakeSoft Mandrake Linux 2008.1 X86_64
  • Novell OpenSUSE 11.0
  • RedHat Enterprise Linux 4 WS

Reported:

Aug 26, 2008

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