CVE-2007-2846

Published: May 24, 2007Modified: Apr 23, 2026

9.3

Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Exploitability: 8.6 / Impact: 10.0

Source: NVD

Description

Heap-based buffer overflow in the SIS unpacker in avast! Anti-Virus Managed Client before 4.7.700 allows user-assisted remote attackers to execute arbitrary code via a crafted SIS archive, resulting from an "integer cast around."

Affected (2)

Products: Avas!t: Avast! Antivirus

Avas!t

1 product

Avast! Antivirus

Configuration A

2 vulnerable

Vulnerable Software	Affected Versions
Avas!t Avast! Antivirus	Version 4.6.394
Avast! Avast! Antivirus	Up to 4.7.652

Related CWEs

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.

References (18)

http://marc.info/?l=full-disclosure&m=118007660813710&w=2

Source: cve@mitre.org

http://osvdb.org/36522

Source: cve@mitre.org

http://www.avast.com/eng/adnm-management-client-revision-history.html

Source: cve@mitre.org

http://www.kb.cert.org/vuls/id/125868

Source: cve@mitre.org

US Government Resource

http://www.nruns.com/advisories/%5Bn.runs-SA-2007.009%5D%20-%20Avast%21%20Antivirus%20SIS%20parsing%20Arbitrary%20Code%20Execution%20Advisory.txt

Source: cve@mitre.org

http://www.securityfocus.com/archive/1/469585/100/0/threaded

Source: cve@mitre.org

http://www.securityfocus.com/bid/24155

Source: cve@mitre.org

http://www.vupen.com/english/advisories/2007/1935

Source: cve@mitre.org

Vendor Advisory

https://exchange.xforce.ibmcloud.com/vulnerabilities/34501

Source: cve@mitre.org

http://marc.info/?l=full-disclosure&m=118007660813710&w=2