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OVAL Definitions
>
OVAL Definition Details
Id
oval:com.altx-soft.nix:def:11637
[Rus]
Version
6
Class
patch
ALTXid
134549
Language
English
Severity
NotAvailable
Title
DSA-403-1 -- kernel-image-2.4.18-1-alpha, kernel-image-2.4.18-1-i386, kernel-source-2.4.18 -- local root exploit
Description
Recently multiple servers of the Debian project were compromised using a Debian developers account and an unknown root exploit. Forensics revealed a burneye encrypted exploit. Robert van der Meulen managed to decrypt the binary which revealed a kernel exploit. Study of the exploit by the Red Hat and SuSE kernel and security teams quickly revealed that the exploit used an integer overflow in the brk system call. Using this bug it is possible for a userland program to trick the kernel into giving access to the full kernel address space. This problem was found in September by Andrew Morton, but unfortunately that was too late for the 2.4.22 kernel release.
Family
unix
Platform
Debian GNU/Linux 3.0
Product
kernel-image-2.4.18-1-alpha
kernel-image-2.4.18-1-i386
kernel-source-2.4.18
Reference
VENDOR: DSA-403-1
VENDOR: DSA-403-1
Id:
DSA-403-1
Reference:
https://www.debian.org/security/2003/dsa-403
CVE: CVE-2003-0961
CVE: CVE-2003-0961
Id:
CVE-2003-0961
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2003-0961
Comment
: Integer overflow in the do_brk function for the brk system call in Linux kernel 2.4.22 and earlier allows local users to gain root privileges.
CVSSv2 Score:
7.2
Access vector:
LOCAL
Access complexity:
LOW
Authentication:
NONE
Confidentiality impact:
COMPLETE
Integrity impact:
COMPLETE
Availability impact:
COMPLETE
CVSSv2 Vector:
AV:L/AC:L/Au:N/C:C/I:C/A:C
CWE:
CWE-Other ()
References:
CLA-2003:796 (CONECTIVA)
http://isec.pl/papers/linux_kernel_do_brk.pdf (MISC)
20031204 [iSEC] Linux kernel do_brk() vulnerability details (BUGTRAQ)
20031204 Hot fix for do_brk bug (BUGTRAQ)
20040112 SmoothWall Project Security Advisory SWP-2004:001 (BUGTRAQ)
10328 (SECUNIA)
10329 (SECUNIA)
10330 (SECUNIA)
10333 (SECUNIA)
10338 (SECUNIA)
DSA-403 (DEBIAN)
DSA-417 (DEBIAN)
DSA-423 (DEBIAN)
DSA-433 (DEBIAN)
DSA-439 (DEBIAN)
DSA-440 (DEBIAN)
DSA-442 (DEBIAN)
DSA-450 (DEBIAN)
DSA-470 (DEBIAN)
DSA-475 (DEBIAN)
VU#301156 (CERT-VN)
MDKSA-2003:110 (MANDRAKE)
SuSE-SA:2003:049 (SUSE)
RHSA-2003:368 (REDHAT)
RHSA-2003:389 (REDHAT)
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