CVE-2010-2785

medium

Published 2010-08-02 · Modified 2026-04-29

💬 Discuss on Community ✚ Propose mitigation

CVSS v3

—

CVSS v4 NEW

—

not yet in upstream

VIR risk

7.5

Description

The IRC Protocol component in KVIrc 3.x and 4.x before r4693 does not properly handle \ (backslash) characters, which allows remote authenticated users to execute arbitrary CTCP commands via vectors involving \r and \40 sequences, a different vulnerability than CVE-2010-2451 and CVE-2010-2452.

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-34385 remote linux verified

unic0rn · 2010-07-28

KVIrc 4.0 - '\r' Carriage Return in DCC Handshake Remote Command Execution

Source code queued for fetch — refresh in a moment.

OS impact

Debian Fixed 5 releases

Version	Status	Fixed in
trixie	Fixed	`4:4.0.0-3`
sid	Fixed	`4:4.0.0-3`
forky	Fixed	`4:4.0.0-3`
bullseye	Fixed	`4:4.0.0-3`
bookworm	Fixed	`4:4.0.0-3`

Application impact

Vendor	Product	Versions
kvirc	kvirc	`3.0.0`
kvirc	kvirc	`3.0.1`
kvirc	kvirc	`3.4.0`
kvirc	kvirc	`3.4.2`
kvirc	kvirc	`4.0.0`
kvirc	kvirc	`4.0.2`

References

Community-verified mitigations for this CVE will appear above when contributors publish them.

Verify integrity in audit chain (admin only). AS-IS.