Debian DSA-1865-1 : linux-2.6 - denial of service/privilege escalation

high Nessus Plugin ID 44730

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Synopsis

The remote Debian host is missing a security-related update.

Description

Several vulnerabilities have been discovered in the Linux kernel that may lead to denial of service or privilege escalation. The Common Vulnerabilities and Exposures project identifies the following problems :

- CVE-2009-1385 Neil Horman discovered a missing fix from the e1000 network driver. A remote user may cause a denial of service by way of a kernel panic triggered by specially crafted frame sizes.

- CVE-2009-1389 Michael Tokarev discovered an issue in the r8169 network driver. Remote users on the same LAN may cause a denial of service by way of a kernel panic triggered by receiving a large size frame.

- CVE-2009-1630 Frank Filz discovered that local users may be able to execute files without execute permission when accessed via an nfs4 mount.

- CVE-2009-1633 Jeff Layton and Suresh Jayaraman fixed several buffer overflows in the CIFS filesystem which allow remote servers to cause memory corruption.

- CVE-2009-2692 Tavis Ormandy and Julien Tinnes discovered an issue with how the sendpage function is initialized in the proto_ops structure. Local users can exploit this vulnerability to gain elevated privileges.

Solution

Upgrade the linux-2.6, fai-kernels, and user-mode-linux packages.

For the oldstable distribution (etch), this problem has been fixed in version 2.6.18.dfsg.1-24etch3.

The following matrix lists additional packages that were rebuilt for compatibility with or to take advantage of this update :

Debian 4.0 (etch) fai-kernels 1.17+etch.24etch3 user-mode-linux 2.6.18-1um-2etch.24etch3 Note: Debian carefully tracks all known security issues across every linux kernel package in all releases under active security support.
However, given the high frequency at which low-severity security issues are discovered in the kernel and the resource requirements of doing an update, updates for lower priority issues will normally not be released for all kernels at the same time. Rather, they will be released in a staggered or 'leap-frog' fashion.

See Also

https://security-tracker.debian.org/tracker/CVE-2009-1385

https://security-tracker.debian.org/tracker/CVE-2009-1389

https://security-tracker.debian.org/tracker/CVE-2009-1630

https://security-tracker.debian.org/tracker/CVE-2009-1633

https://security-tracker.debian.org/tracker/CVE-2009-2692

https://www.debian.org/security/2009/dsa-1865

Plugin Details

Severity: High

ID: 44730

File Name: debian_DSA-1865.nasl

Version: 1.21

Type: local

Agent: unix

Published: 2/24/2010

Updated: 1/4/2021

Dependencies: ssh_get_info.nasl

Risk Information

VPR

Risk Factor: Critical

Score: 9.6

CVSS v2

Risk Factor: High

Base Score: 7.8

Temporal Score: 6.8

Vector: AV:N/AC:L/Au:N/C:N/I:N/A:C

Temporal Vector: E:H/RL:OF/RC:C

Vulnerability Information

CPE: p-cpe:/a:debian:debian_linux:linux-2.6, cpe:/o:debian:debian_linux:4.0

Required KB Items: Host/local_checks_enabled, Host/Debian/release, Host/Debian/dpkg-l

Exploit Available: true

Exploit Ease: Exploits are available

Patch Publication Date: 8/16/2009

Exploitable With

CANVAS (CANVAS)

Core Impact

Metasploit (Linux Kernel Sendpage Local Privilege Escalation)

Reference Information

CVE: CVE-2009-1385, CVE-2009-1389, CVE-2009-1630, CVE-2009-1633, CVE-2009-2692

BID: 34612, 34934, 35185, 35281, 36038

DSA: 1865

CWE: 119, 189, 264