Description
The ENSURE_BITS macro in mszipd.c for Clam AntiVirus (ClamAV) 0.83, and other versions vefore 0.86, allows remote attackers to cause a denial of service (CPU consumption by infinite loop) via a cabinet (CAB) file with the cffile_FolderOffset field set to 0xff, which causes a zero-length read.
Product(s):
- Clam Anti-Virus ClamAV 0.83
- Clam Anti-Virus ClamAV 0.84 RC1
- Clam Anti-Virus ClamAV 0.84 RC2
- Clam Anti-Virus ClamAV 0.85.1
- Clam Anti-Virus ClamAV 0.85
Question to Ask Vendors:
- Can you confirm whether your systems are affected by CVE-2005-1923, and if so, what steps are you currently taking to mitigate this vulnerability?
- What is your estimated timeline for fully resolving CVE-2005-1923 in your products or services, and how will you communicate updates on this issue to us as your customer?
Recommended Actions:
- Check out the advisory links provided below.