Marc Lehmann rxvt-unicode up to 5.2 command.c memory corruption

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	CTI Interest Score Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0	$0-$5k	0.00

Summaryinfo

A vulnerability identified as critical has been detected in Marc Lehmann rxvt-unicode up to 5.2. Affected by this vulnerability is an unknown functionality of the file command.c. This manipulation causes memory corruption. This vulnerability is tracked as CVE-2005-0764. No exploit exists. You should upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Marc Lehmann rxvt-unicode up to 5.2. Affected by this vulnerability is some unknown functionality of the file command.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:

Buffer overflow in command.C for rxvt-unicode before 5.3 allows remote attackers to execute arbitrary code via a crafted file containing long escape sequences.

The bug was discovered 03/14/2005. The weakness was disclosed 05/02/2005 (Website). It is possible to read the advisory at gentoo.org. This vulnerability is known as CVE-2005-0764 since 03/17/2005. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. 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 6 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 17579 (GLSA-200503-23 : rxvt-unicode: Buffer overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Upgrading to version 5.3 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (19698), Tenable (17579), SecurityFocus (BID 12807†), OSVDB (14768†) and Vulnerability Center (SBV-7456†). Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Vendor

• Marc Lehmann

Name

• rxvt-unicode

Version

• 3.4
• 3.5
• 3.6
• 3.7
• 3.8
• 3.9
• 4.0
• 4.1
• 4.2
• 4.3
• 4.4
• 4.5
• 4.6
• 4.7
• 4.8
• 4.9
• 5.0
• 5.1
• 5.2

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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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
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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: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Nessus ID: 17579
Nessus Name: GLSA-200503-23 : rxvt-unicode: Buffer overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 52159
OpenVAS Name: FreeBSD Ports: rxvt-unicode
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: rxvt-unicode 5.3

Timelineinfo

03/14/2005 🔍
03/14/2005 +0 days 🔍
03/15/2005 +1 days 🔍
03/17/2005 +2 days 🔍
03/20/2005 +3 days 🔍
03/21/2005 +1 days 🔍
03/29/2005 +8 days 🔍
05/02/2005 +34 days 🔍
05/02/2005 +0 days 🔍
03/10/2015 +3599 days 🔍
05/31/2019 +1543 days 🔍

Sourcesinfo

Advisory: gentoo.org
Status: Not defined

CVE: CVE-2005-0764 (🔍)
GCVE (CVE): GCVE-0-2005-0764
GCVE (VulDB): GCVE-100-24607
X-Force: 19698
SecurityFocus: 12807 - RXVT-Unicode Escape Sequence Remote Buffer Overflow Vulnerability
OSVDB: 14768 - GLSA 200503-23 - rxvt-unicode
Vulnerability Center: 7456 - Buffer Overflow in rxvt-unicode <5.3 via File with Long Escape Sequences, Medium

Entryinfo

Created: 03/10/2015 23:05
Updated: 05/31/2019 05:48
Changes: 03/10/2015 23:05 (70), 05/31/2019 05:48 (6)
Complete: 🔍
Cache ID: 216::103

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

Discussion

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