ncompress 4.2.4 compress42.c decompress memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in ncompress 4.2.4. This affects the function decompress of the file compress42.c. This manipulation causes memory corruption. This vulnerability is registered as CVE-2006-1168. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability has been found in ncompress 4.2.4 and classified as critical. Affected by this vulnerability is the function decompress of the file compress42.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

The decompress function in compress42.c in (1) ncompress 4.2.4 and (2) liblzw allows remote attackers to cause a denial of service (crash), and possibly execute arbitrary code, via crafted data that leads to a buffer underflow.

The bug was discovered 08/10/2006. The weakness was published 08/14/2006 by Tavis Ormandy (Website). The advisory is shared at debian.org. This vulnerability is known as CVE-2006-1168 since 03/12/2006. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details are known, but no exploit is available.

It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 22345 (RHEL 2.1 / 3 / 4 : ncompress (RHSA-2006:0663)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Red Hat Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 350644 (Amazon Linux Security Advisory for busybox: ALAS-2012-103).

Upgrading eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (28315), Tenable (22345), SecurityFocus (BID 19455†), OSVDB (27868†) and Secunia (SA21427†). Similar entry is available at VDB-61166. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
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: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 22345
Nessus Name: RHEL 2.1 / 3 / 4 : ncompress (RHSA-2006:0663)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 57266
OpenVAS Name: Debian Security Advisory DSA 1149-1 (ncompress)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Timelineinfo

03/12/2006 🔍
08/09/2006 +150 days 🔍
08/09/2006 +0 days 🔍
08/10/2006 +1 days 🔍
08/10/2006 +0 days 🔍
08/14/2006 +4 days 🔍
08/14/2006 +0 days 🔍
09/12/2006 +29 days 🔍
09/13/2006 +1 days 🔍
09/14/2006 +1 days 🔍
09/18/2006 +4 days 🔍
03/12/2015 +3097 days 🔍
06/25/2019 +1566 days 🔍

Sourcesinfo

Advisory: debian.org
Researcher: Tavis Ormandy
Status: Not defined
Confirmation: 🔍

CVE: CVE-2006-1168 (🔍)
GCVE (CVE): GCVE-0-2006-1168
GCVE (VulDB): GCVE-100-31765

OVAL: 🔍

X-Force: 28315
SecurityFocus: 19455 - NCompress Decompress Buffer Underflow Vulnerability
Secunia: 21427 - ncompress "decompress()" Buffer Underflow Vulnerability, Moderately Critical
OSVDB: 27868 - CVE-2006-1168 - NCompress - Denial of Service Issue
SecurityTracker: 1016836
Vulnerability Center: 12701 - ncompress and liblzw Buffer Underflow due to Error in \x27decompress\x27 Function, High
Vupen: ADV-2006-3234

See also: 🔍

Entryinfo

Created: 03/12/2015 15:51
Updated: 06/25/2019 12:25
Changes: 03/12/2015 15:51 (86), 06/25/2019 12:25 (5)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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