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Q1What is this vulnerability? (Essence + Consequences)
π¨ **Essence**: A remote stack buffer overflow in CA antivirus engines. π **Trigger**: Parsing malformed `.CAB` files with oversized `coffFiles` fields.β¦
π‘οΈ **Root Cause**: Buffer Overflow (Stack-based). π **Flaw**: The antivirus engine fails to validate the length of the `coffFiles` field in `.CAB` documents before parsing, leading to memory corruption.
Q3Who is affected? (Versions/Components)
π’ **Vendor**: Computer Associates (CA). π¦ **Affected**: Multiple CA antivirus products and backup systems. β οΈ **Specifics**: Any version using the vulnerable antivirus engine that processes `.CAB` files.
Q4What can hackers do? (Privileges/Data)
π **Privileges**: Full System Control. π΅οΈ **Action**: Attackers can execute arbitrary instructions/code. π **Impact**: Complete compromise of the target machine's security posture.
Q5Is exploitation threshold high? (Auth/Config)
π **Threshold**: Low. π **Auth**: Remote exploitation possible. π§ **Vector**: Likely via email attachments or malicious websites hosting infected `.CAB` files. No local access required.
Q6Is there a public Exp? (PoC/Wild Exploitation)
π **Public Exp?**: Yes. π **Evidence**: References from Secunia (25570), CERT (VU#105105), and Bugtraq mailing lists confirm known exploits and advisories exist.
Q7How to self-check? (Features/Scanning)
π **Self-Check**: Scan for `.CAB` files in email attachments or downloads. π οΈ **Tooling**: Use antivirus software to detect malformed CAB structures.β¦