Nongnu CVS 1.11.23 rcs.c apply_rcs_change memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.8$0-$5k0.00

Summaryinfo

A vulnerability was found in Nongnu CVS 1.11.23 and classified as problematic. This affects the function apply_rcs_change of the file rcs.c. The manipulation results in memory corruption. This vulnerability is reported as CVE-2010-3846. No exploit exists.

Detailsinfo

A vulnerability classified as critical has been found in Nongnu CVS 1.11.23. Affected is the function apply_rcs_change of the file rcs.c. 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 confidentiality, integrity, and availability. CVE summarizes:

Array index error in the apply_rcs_change function in rcs.c in CVS 1.11.23 allows local users to gain privileges via an RCS file containing crafted delta fragment changes that trigger a heap-based buffer overflow.

The weakness was disclosed 10/29/2010 by Jan Lieskovsky as Bug 642146 as confirmed bug report (Bugzilla). The advisory is shared for download at bugzilla.redhat.com. This vulnerability is traded as CVE-2010-3846 since 10/08/2010. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 68149 (Oracle Linux 6 : cvs (ELSA-2010-0918)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155497 (Oracle Enterprise Linux Update for CVS (ELSA-2010-0918)).

A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (62858), Tenable (68149), SecurityFocus (BID 44528†), OSVDB (68952†) and Secunia (SA41079†). Once again VulDB remains the best source for vulnerability data.

Productinfo

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Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.3
VulDB Meta Temp Score: 8.8

VulDB Base Score: 9.3
VulDB Temp Score: 8.8
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: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Proof-of-Concept

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 68149
Nessus Name: Oracle Linux 6 : cvs (ELSA-2010-0918)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 862514
OpenVAS Name: Fedora Update for cvs FEDORA-2010-16599
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

10/08/2010 🔍
10/28/2010 +20 days 🔍
10/28/2010 +0 days 🔍
10/29/2010 +1 days 🔍
10/29/2010 +0 days 🔍
10/29/2010 +0 days 🔍
10/29/2010 +0 days 🔍
11/02/2010 +3 days 🔍
11/05/2010 +3 days 🔍
11/29/2010 +24 days 🔍
07/12/2013 +956 days 🔍
03/19/2015 +615 days 🔍
01/20/2025 +3595 days 🔍

Sourcesinfo

Advisory: Bug 642146
Researcher: Jan Lieskovsky
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-3846 (🔍)
GCVE (CVE): GCVE-0-2010-3846
GCVE (VulDB): GCVE-100-55332

OVAL: 🔍

X-Force: 62858
SecurityFocus: 44528 - CVS CVE-2010-3846 RCS File Heap Buffer Overflow Vulnerability
Secunia: 41079 - CVS Delta Fragment Array Indexing Vulnerability, Less Critical
OSVDB: 68952 - CVS ccvs/src/rcs.c apply_rcs_change() Delta Fragment Overflow
SecurityTracker: 1024795 - CVS Heap Overflow in Processing RCS Files Lets Remote Users Execute Arbitrary Code
Vulnerability Center: 28005 - CVS 1.11.23 Remote Arbitrary Code Execution Vulnerability via a Crafted RCS File, High
Vupen: ADV-2010-2845

Entryinfo

Created: 03/19/2015 14:37
Updated: 01/20/2025 11:29
Changes: 03/19/2015 14:37 (68), 03/08/2017 21:59 (19), 09/28/2021 12:52 (3), 01/20/2025 11:29 (16)
Complete: 🔍
Cache ID: 216::103

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