Vulnerability CVE-2007-2846
Published: 2007-05-24   Modified: 2012-02-12

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."

Type:

CWE-119

 (Improper Restriction of Operations within the Bounds of a Memory Buffer)

CVSS2 => (AV:N/AC:M/Au:N/C:C/I:C/A:C)

CVSS Base Score
Impact Subscore
Exploitability Subscore
9.3/10
10/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Complete
Complete
Complete
Affected software
Avast! -> Avast! antivirus 
Avas!t -> Avast! antivirus 

 References:
http://marc.info/?l=full-disclosure&m=118007660813710&w=2
http://www.avast.com/eng/adnm-management-client-revision-history.html
http://www.kb.cert.org/vuls/id/125868
http://www.nruns.com/advisories/%5Bn.runs-SA-2007.009%5D%20-%20Avast!%20Antivirus%20SIS%20parsing%20Arbitrary%20Code%20Execution%20Advisory.txt
http://www.securityfocus.com/archive/1/469585/100/0/threaded
http://www.securityfocus.com/bid/24155
http://www.vupen.com/english/advisories/2007/1935
https://exchange.xforce.ibmcloud.com/vulnerabilities/34501
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