Midnight Commander up to 4.6.0 vfs/direntry.c vfs_s_resolve_symlink memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in Midnight Commander up to 4.6.0. It has been classified as critical. Affected by this issue is the function vfs_s_resolve_symlink of the file vfs/direntry.c. Performing a manipulation results in memory corruption. This vulnerability is known as CVE-2003-1023. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability, which was classified as critical, was found in Midnight Commander up to 4.6.0. This affects the function vfs_s_resolve_symlink of the file vfs/direntry.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. The summary by CVE is:

Stack-based buffer overflow in vfs_s_resolve_symlink of vfs/direntry.c for Midnight Commander (mc) 4.6.0 and earlier, and possibly later versions, allows remote attackers to execute arbitrary code during symlink conversion.

The bug was discovered 09/19/2003. The weakness was published 01/20/2004 as not defined posting (Bugtraq). It is possible to read the advisory at marc.theaimsgroup.com. This vulnerability is uniquely identified as CVE-2003-1023 since 01/05/2004. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 119 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 15261 (Debian DSA-424-1 : mc - buffer overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.

Upgrading eliminates this vulnerability. A possible mitigation has been published before and not just after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (13247), Tenable (15261), SecurityFocus (BID 8658†), OSVDB (2595†) and Secunia (SA10645†). Be aware that VulDB is the high quality source for vulnerability data.

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: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 15261
Nessus Name: Debian DSA-424-1 : mc - buffer overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 53123
OpenVAS Name: Debian Security Advisory DSA 424-1 (mc)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

09/19/2003 🔍
09/19/2003 +0 days 🔍
01/05/2004 +108 days 🔍
01/16/2004 +11 days 🔍
01/17/2004 +1 days 🔍
01/20/2004 +3 days 🔍
01/20/2004 +0 days 🔍
01/20/2004 +0 days 🔍
09/29/2004 +253 days 🔍
05/07/2009 +1681 days 🔍
09/30/2014 +1972 days 🔍
09/03/2019 +1799 days 🔍

Sourcesinfo

Advisory: marc.theaimsgroup.com
Status: Not defined

CVE: CVE-2003-1023 (🔍)
GCVE (CVE): GCVE-0-2003-1023
GCVE (VulDB): GCVE-100-21495

OVAL: 🔍

X-Force: 13247
SecurityFocus: 8658 - Midnight Commander Virtual File System Symlink Buffer Overflow Vulnerability
Secunia: 10645 - Debian update for mc, Moderately Critical
OSVDB: 2595 - Midnight Commander vfs_s_resolve_symlink buffer overflow
Vulnerability Center: 21932 - Midnight Commander (mc) 4.6.0 and Prior Stack Based Buffer Overflow Arbitrary Code Execution, High

Entryinfo

Created: 09/30/2014 15:36
Updated: 09/03/2019 08:29
Changes: 09/30/2014 15:36 (76), 09/03/2019 08:29 (5)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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