CVE-2014-6054

Home/CVE/The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allows remote a

CVE

The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allows remote a

The rfbProcessClientNormalMessage function in libvncserver/rfbserver.c in LibVNCServer 0.9.9 and earlier allows remote attackers to cause a denial of service (divide-by-zero error and server crash) via a zero value in the scaling factor in a (1) PalmVNCSetScaleFactor or (2) SetScale message.

MEDIUM · CVSS 4.3 EPSS 0.37747

Schedule remediation

EPSS ≥ 0.10 - elevated exploitation probability
EPSS percentile: top 3% of all CVEs by exploitation likelihood

Sigma rules0 YARA rules0

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Affected Products & Versions

libvncserver<= 0.9.9
debian linuxall versions
canonical ubuntu linuxall versions

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Scoring & Timeline

4.3

MEDIUM · CVSS v2 (legacy) · cve@mitre.org

View on NVD

This CVE predates CVSS v3; the legacy v2 score is shown so triage still has a severity to work with.

v2 Vector

AV:N/AC:M/Au:N/C:N/I:N/A:P

Published to NVD06 Oct 2014 · 02:55 PM

⚑

Vendor Advisories

usnUSN-4587-1
suse-csafSUSE-SU-2015:2088-1
suse-csafSUSE-SU-2015:2088-2
suse-csafSUSE-SU-2015:2110-1
usnUSN-2365-1
Show all 7 vendor advisoriesrhsaRHSA-2014:1826Moderate
rhsaRHSA-2014:1827Moderate

🔗

References & Sources

Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.

http://lists.opensuse.org/opensuse-updates/2015-12/msg00022.html

http://seclists.org/oss-sec/2014/q3/639Mailing ListThird Party Advisory

http://secunia.com/advisories/61506

http://secunia.com/advisories/61682

http://www.debian.org/security/2014/dsa-3081Third Party Advisory

http://www.ocert.org/advisories/ocert-2014-007.htmlThird Party AdvisoryUS Government Resource

Show all 13 references

http://www.openwall.com/lists/oss-security/2014/09/25/11Mailing ListThird Party Advisory

http://www.securityfocus.com/bid/70094

http://www.ubuntu.com/usn/USN-2365-1Third Party Advisory

https://github.com/newsoft/libvncserver/commit/05a9bd41a8ec0a9d580a8f420f41718bdd235446Issue TrackingPatch

https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html

https://security.gentoo.org/glsa/201507-07

https://usn.ubuntu.com/4587-1/

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