Symantec AntiVirus up to 2004 DEC2EXE Module UPX Parser heap-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.6$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in Symantec AntiVirus. The affected element is an unknown function of the component DEC2EXE Module UPX Parser. The manipulation leads to heap-based overflow. This vulnerability is referenced as CVE-2005-0249. Remote exploitation of the attack is possible. Furthermore, an exploit is available. Applying a patch is the recommended action to fix this issue.

Detailsinfo

A vulnerability was found in Symantec AntiVirus (Anti-Malware Software). It has been rated as critical. This issue affects an unknown functionality of the component DEC2EXE Module UPX Parser. The manipulation with an unknown input leads to a heap-based overflow vulnerability. Using CWE to declare the problem leads to CWE-122. A heap overflow condition is a buffer overflow, where the buffer that can be overwritten is allocated in the heap portion of memory, generally meaning that the buffer was allocated using a routine such as malloc(). Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Heap-based buffer overflow in the DEC2EXE module for Symantec AntiVirus Library allows remote attackers to execute arbitrary code via a UPX compressed file containing a negative virtual offset to a crafted PE header.

The bug was discovered 02/08/2005. The weakness was published 02/08/2005 by Alex Wheeler with rem0te.com (Website). The advisory is shared at sarc.com. The identification of this vulnerability is CVE-2005-0249 since 02/08/2005. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are unknown but an exploit is available.

The exploit is available at immunitysec.com. It is declared as proof-of-concept. We expect the 0-day to have been worth approximately $5k-$25k. The commercial vulnerability scanner Qualys is able to test this issue with plugin 38414 (Symantec UPX Parsing Engine Remote Heap Overflow Vulnerability).

Applying a patch is able to eliminate this problem. The bugfix is ready for download at symantec.com.

The vulnerability is also documented in the databases at X-Force (18869), SecurityFocus (BID 12492†), OSVDB (13647†), Secunia (SA14179†) and SecurityTracker (ID 1013133†). Similar entries are available at VDB-82, VDB-332, VDB-333 and VDB-427. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Heap-based overflow
CWE: CWE-122 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

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Threat Intelligenceinfo

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Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: symantec.com
McAfee IPS: 🔍
McAfee IPS Version: 🔍

ISS Proventia IPS: 🔍
PaloAlto IPS: 🔍

Timelineinfo

02/08/2005 🔍
02/08/2005 +0 days 🔍
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02/08/2005 +0 days 🔍
02/08/2005 +0 days 🔍
02/08/2005 +0 days 🔍
02/09/2005 +1 days 🔍
02/09/2005 +0 days 🔍
02/09/2005 +0 days 🔍
02/10/2005 +0 days 🔍
02/16/2005 +6 days 🔍
07/05/2025 +7444 days 🔍

Sourcesinfo

Vendor: symantec.com

Advisory: sarc.com
Researcher: Alex Wheeler
Organization: rem0te.com
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2005-0249 (🔍)
GCVE (CVE): GCVE-0-2005-0249
GCVE (VulDB): GCVE-100-1205
CERT: 🔍
X-Force: 18869 - Symantec AntiVirus Library UPX parsing buffer overflow, High Risk
SecurityFocus: 12492 - Symantec UPX Parsing Engine Remote Heap Overflow Vulnerability
Secunia: 14179 - Symantec Multiple Products UPX Parsing Engine Buffer Overflow, Highly Critical
OSVDB: 13647 - Symantec Multiple Products UPX DEC2EXE Parsing Routine Overflow
SecurityTracker: 1013133
Vulnerability Center: 7036 - Buffer Overflow in the UPX Parsing Engine for Multiple Symantec\x27s products Allows Gaining Control, Medium

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

Entryinfo

Created: 02/16/2005 11:14
Updated: 07/05/2025 16:24
Changes: 02/16/2005 11:14 (91), 07/01/2019 11:11 (2), 11/21/2024 21:33 (18), 07/05/2025 16:24 (2)
Complete: 🔍
Cache ID: 216::103

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