Debian TrouSerS up to 0.3.9 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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4.8$0-$5k0.00

A vulnerability, which was classified as problematic, was found in Debian TrouSerS up to 0.3.9. Affected is some unknown processing. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. CVE summarizes:

tcsd in TrouSerS before 0.3.10 allows remote attackers to cause a denial of service (daemon crash) via a crafted type_offset value in a TCP packet to port 30003.

The weakness was presented 11/26/2012 by Andy Lutomirski as confirmed git commit (GIT Repository). The advisory is shared for download at trousers.git.sourceforge.net. This vulnerability is traded as CVE-2012-0698 since 01/13/2012. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.

A public exploit has been developed by Andy Lutomirski in Python and been published even before and not after the advisory. The exploit is shared for download at securityfocus.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 3 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 79183 (CentOS 6 : trousers (CESA-2014:1507)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CentOS Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 120909 (Solaris 11 Support Repository Update (SRU) 13.4 Missing).

Upgrading to version 0.3.1 eliminates this vulnerability. Applying a patch is able to eliminate this problem. The bugfix is ready for download at trousers.git.sourceforge.net. The best possible mitigation is suggested to be patching the affected component.

The vulnerability is also documented in the databases at X-Force (80226), Tenable (79183) and Exploit-DB (22904). See 5989, 5990, 5994 and 5995 for similar entries.

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CPE 2.3info

CPE 2.2info

CVSSv4info

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CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 4.8

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Andy Lutomirski
Programming Language: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

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Current Price Estimation: 🔍

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Nessus ID: 79183
Nessus Name: CentOS 6 : trousers (CESA-2014:1507)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 72591
OpenVAS Name: Debian Security Advisory DSA 2576-1 (trousers)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Upgrade: TrouSerS 0.3.1
Patch: 50dd06a6f639b76b3bb629606ef71b2dc5407601

Timelineinfo

01/13/2012 🔍
01/13/2012 +0 days 🔍
01/13/2012 +0 days 🔍
11/23/2012 +315 days 🔍
11/23/2012 +0 days 🔍
11/23/2012 +0 days 🔍
11/26/2012 +3 days 🔍
11/26/2012 +0 days 🔍
12/09/2012 +13 days 🔍
11/12/2014 +703 days 🔍
03/24/2015 +132 days 🔍
12/20/2021 +2463 days 🔍

Sourcesinfo

Vendor: debian.org

Advisory: RHSA-2014:1507
Researcher: Andy Lutomirski
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2012-0698 (🔍)
OVAL: 🔍

X-Force: 80226
Vulnerability Center: 37569 - TrouSerS <0.3.10 Remote Denial of Service via a Crafted type_offset Value in a TCP Packet, Medium
SecurityFocus: 55459 - TrouSerS CVE-2012-0698 Denial Of Service Vulnerability
Secunia: 51295 - Debian update for trousers, Moderately Critical
OSVDB: 87739

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 03/24/2015 12:22
Updated: 12/20/2021 14:36
Changes: 03/24/2015 12:22 (69), 04/22/2017 12:55 (21), 12/20/2021 14:30 (4), 12/20/2021 14:34 (1), 12/20/2021 14:36 (2)
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