Free Software Foundation Inc. libtasn1 up to 0.2.6 DER Parser Remote Code Execution

EntryHistoryDiffjsonxmlCTI

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.
9.4	$0-$5k	0.00

A vulnerability classified as critical was found in Free Software Foundation Inc. libtasn1 up to 0.2.6. Affected by this vulnerability is an unknown code of the component DER Parser. The manipulation with an unknown input leads to a remote code execution vulnerability. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

Unknown vulnerability in libtasn1 0.1.x before 0.1.2, and 0.2.x before 0.2.7, related to the DER parsing functions.

The weakness was disclosed 05/15/2004 with Debian (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2004-0401 since 04/13/2004. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. The technical details are unknown and an exploit is not publicly available.

Upgrading to version 0.1.x eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at X-Force (16157). The entry VDB-75395 is pretty similar.

Productinfo

Vendor

Free Software Foundation Inc.

Name

libtasn1

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB CVSS-B Score: 🔍
VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.4

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
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: Remote Code Execution
CWE: Unknown
CAPEC: 🔍
ATT&CK: 🔍

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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: libtasn1 0.1.x

Timelineinfo

04/13/2004 🔍
05/14/2004 +31 days 🔍
05/15/2004 +0 days 🔍
05/17/2004 +2 days 🔍
07/07/2004 +51 days 🔍
03/15/2005 +250 days 🔍
10/17/2014 +3503 days 🔍
06/18/2018 +1340 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Organization: Debian
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2004-0401 (🔍)
X-Force: 16157 - libtASN1 DER parsing issue
SecurityTracker: 1010159
SecurityFocus: 10360 - GNU LibTASN1 Undisclosed Vulnerability
OSVDB: 15126 - libtASN1 DER Parsing Function Unspecified Issue

See also: 🔍

Entryinfo

Created: 10/17/2014 16:25
Updated: 06/18/2018 09:27
Changes: 10/17/2014 16:25 (57), 06/18/2018 09:27 (6)
Complete: 🔍
Cache ID: 3:723:103