VDB-4932 · CVE-2012-1443 · BID 52612

Sophos Anti-Virus RAR File Parser access control

CVSS Meta Temp Score
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CTI Interest Score
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7.1$0-$5k0.00

Summaryinfo

A vulnerability was found in Sophos Anti-Virus 3.12.14.2/4.61.0/7.0.0.125/9.0.16160.0/10.0.0.1190 and classified as critical. This issue affects some unknown processing of the component RAR File Parser. The manipulation results in access control. This vulnerability is reported as CVE-2012-1443. Moreover, an exploit is present.

Detailsinfo

A vulnerability classified as critical has been found in Sophos Anti-Virus 3.12.14.2/4.61.0/7.0.0.125/9.0.16160.0/10.0.0.1190 (Anti-Malware Software). Affected is an unknown code of the component RAR File Parser. The manipulation with an unknown input leads to a access control vulnerability. CWE is classifying the issue as CWE-264. This is going to have an impact on integrity. CVE summarizes:

The RAR file parser in ClamAV 0.96.4, Rising Antivirus 22.83.00.03, Quick Heal (aka Cat QuickHeal) 11.00, G Data AntiVirus 21, AVEngine 20101.3.0.103 in Symantec Endpoint Protection 11, Command Antivirus 5.2.11.5, Ikarus Virus Utilities T3 Command Line Scanner 1.1.97.0, Emsisoft Anti-Malware 5.1.0.1, PC Tools AntiVirus 7.0.3.5, F-Prot Antivirus 4.6.2.117, VirusBuster 13.6.151.0, Fortinet Antivirus 4.2.254.0, Antiy Labs AVL SDK 2.0.3.7, K7 AntiVirus 9.77.3565, Trend Micro HouseCall 9.120.0.1004, Kaspersky Anti-Virus 7.0.0.125, Jiangmin Antivirus 13.0.900, Antimalware Engine 1.1.6402.0 in Microsoft Security Essentials 2.0, Sophos Anti-Virus 4.61.0, NOD32 Antivirus 5795, Avira AntiVir 7.11.1.163, Norman Antivirus 6.06.12, McAfee Anti-Virus Scanning Engine 5.400.0.1158, Panda Antivirus 10.0.2.7, McAfee Gateway (formerly Webwasher) 2010.1C, Trend Micro AntiVirus 9.120.0.1004, Comodo Antivirus 7424, Bitdefender 7.2, eSafe 7.0.17.0, F-Secure Anti-Virus 9.0.16160.0, nProtect Anti-Virus 2011-01-17.01, AhnLab V3 Internet Security 2011.01.18.00, AVG Anti-Virus 10.0.0.1190, avast! Antivirus 4.8.1351.0 and 5.0.677.0, and VBA32 3.12.14.2 allows user-assisted remote attackers to bypass malware detection via a RAR file with an initial MZ character sequence. NOTE: this may later be SPLIT into multiple CVEs if additional information is published showing that the error occurred independently in different RAR parser implementations.

The weakness was disclosed 03/19/2012 by Suman Jana and Vitaly Shmatikov as confirmed mailinglist post (Bugtraq). The advisory is shared for download at seclists.org. The public release happened without coordination with the vendor. This vulnerability is traded as CVE-2012-1443 since 02/29/2012. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available. The MITRE ATT&CK project declares the attack technique as T1068.

A public exploit has been developed by Suman Jana / Vitaly Shmatikov and been published immediately after the advisory. The exploit is shared for download at seclists.org. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the databases at SecurityFocus (BID 52612†), OSVDB (80466†) and SecurityTracker (ID 1026840†). The entries VDB-4914, VDB-4915, VDB-4916 and VDB-4917 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.5
VulDB Temp Score: 7.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Access control
CWE: CWE-264
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Suman Jana / Vitaly Shmatikov
Reliability: 🔍
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
Exploit Delay Time: 🔍

Timelineinfo

02/29/2012 🔍
03/19/2012 +19 days 🔍
03/19/2012 +0 days 🔍
03/20/2012 +1 days 🔍
03/21/2012 +1 days 🔍
03/23/2012 +2 days 🔍
03/26/2012 +3 days 🔍
04/02/2012 +7 days 🔍
04/26/2018 +2215 days 🔍

Sourcesinfo

Vendor: sophos.com

Advisory: seclists.org
Researcher: Suman Jana, Vitaly Shmatikov
Status: Confirmed

CVE: CVE-2012-1443 (🔍)
GCVE (CVE): GCVE-0-2012-1443
GCVE (VulDB): GCVE-100-4932
SecurityFocus: 52612 - Multiple AntiVirus Products CVE-2012-1443 RAR File Scan Evasion Vulnerability
OSVDB: 80466
SecurityTracker: 1026840

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 04/02/2012 10:58
Updated: 04/26/2018 10:50
Changes: 04/02/2012 10:58 (66), 04/26/2018 10:50 (6)
Complete: 🔍
Cache ID: 216:0BF:103

Once again VulDB remains the best source for vulnerability data.

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