Buffer overflow in Tigervnc
CVE-2014-8240
Integer overflow in TigerVNC allows remote VNC servers to cause a denial of service (crash) and possibly execute arbitrary code via vectors related to screen size handling, which triggers a heap-based buffer overflow, a similar issue to CVE-2014-6051.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v2 metric
CVSS v2 base score 7.5 (High). Vector: AV:N/AC:L/Au:N/C:P/I:P/A:P. This CVE predates CVSS v3 and has no v3 score from NVD.
EPSS exploit prediction
EPSS: 0.035 (88.9th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 89th percentile — 88.9% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.035 · newest: 0.035 · change: 0.000
Affected products
- Tigervnc — versions 0.0.90, 0.0.91, 1.0.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugzilla.redhat.com/show_bug.cgi
- seclists.org/oss-sec/2014/q4/278 (mailing-list)
- security.gentoo.org/glsa/201612-36 (vendor-advisory)
- www.oracle.com/technetwork/topics/security/linuxbulletinoct2015-2719645.html
- exchange.xforce.ibmcloud.com/vulnerabilities/96947 (vdb-entry)
- www.securityfocus.com/bid/70391 (vdb-entry)
- seclists.org/oss-sec/2014/q4/300 (mailing-list)
- www.oracle.com/technetwork/topics/security/bulletinoct2015-2511968.html
Frequently asked questions
- What is CVE-2014-8240?
- CVE-2014-8240 is a vulnerability in Tigervnc, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. Published 2014-10-16.
- Is CVE-2014-8240 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.