CVE-2007-2846

Severity: critical (CVSS 9.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 7.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2007-05-24 · updated 2026-06-16
Weakness: CWE-119

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 products

Avas!T Avast! Antivirus: 4.6.394
Avast! Antivirus: through 4.7.652

References

http://marc.info/?l=full-disclosure&m=118007660813710&w=2
http://osvdb.org/36522
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%21%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
http://marc.info/?l=full-disclosure&m=118007660813710&w=2
http://osvdb.org/36522
http://www.avast.com/eng/adnm-management-client-revision-history.html

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