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    CVE-2007-2846

    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."

    Published:May 24, 2007
    Last Modified:Apr 23, 2026
    EPS:May 24, 2007
    EPSS Score:0.30707
    CVSS Score:9.3

    Affected Products

    Vendor
    Avas\!t
    Product
    Avast\! Antivirus
    Vendor
    Avast\!
    Product
    Avast\! Antivirus

    Exploits

    No exploit reference

    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
    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

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High