ASN.1 Compiler up to 0.9.6 Remote Code Execution

HistoryDiffrelatejsonxmlCTI

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

Summaryinfo

A vulnerability classified as very critical has been found in ASN.1 Compiler up to 0.9.6. Affected by this issue is some unknown functionality. The manipulation leads to Remote Code Execution. This vulnerability is traded as CVE-2004-2645. There is no exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as very critical, has been found in ASN.1 Compiler up to 0.9.6. This issue affects some unknown processing. The manipulation with an unknown input leads to a remote code execution vulnerability. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Unspecified vulnerability in ASN.1 Compiler (asn1c) before 0.9.7 has unknown impact and attack vectors when processing "CHOICE" types with "indefinite length structures."

The weakness was shared 10/11/2004 by Siden (Website). It is possible to read the advisory at securityfocus.com. The identification of this vulnerability is CVE-2004-2645 since 12/04/2005. The exploitation is known to be easy. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. The technical details are unknown and an exploit is not publicly available. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/19/2017).

Upgrading to version 0.9.7 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (17696), SecurityFocus (BID 11370†), OSVDB (10684†), Secunia (SA12794†) and SecurityTracker (ID 1011622†). The entry VDB-23518 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Name

ASN.1 Compiler

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

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

AV	AC	Au	C	I	A
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Remote Code Execution
CWE: Unknown
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

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: ASN.1 Compiler 0.9.7

Timelineinfo

10/11/2004 🔍
10/11/2004 +0 days 🔍
10/12/2004 +0 days 🔍
10/12/2004 +0 days 🔍
10/12/2004 +0 days 🔍
12/31/2004 +79 days 🔍
12/04/2005 +338 days 🔍
03/10/2015 +3383 days 🔍
07/19/2017 +862 days 🔍

Sourcesinfo

Advisory: securityfocus.com⛔
Researcher: Siden
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2004-2645 (🔍)
GCVE (CVE): GCVE-0-2004-2645
GCVE (VulDB): GCVE-100-23519
X-Force: 17696 - The ASN.1 Compiler CHOICE type vulnerability
SecurityFocus: 11370 - ASN.1 Compiler Multiple Unspecified Vulnerabilities
Secunia: 12794 - The ASN.1 Compiler Unspecified Security Issues, Moderately Critical
OSVDB: 10684 - ASN.1 Compiler CHOICE Code Spin Unspecified Issue
SecurityTracker: 1011622 - asn1c Processing Flaws Have Unspecified Impact

See also: 🔍

Entryinfo

Created: 03/10/2015 12:14
Updated: 07/19/2017 10:04
Changes: 03/10/2015 12:14 (59), 07/19/2017 10:04 (7)
Complete: 🔍
Cache ID: 216::103