CVE-2016-9942

Impact:
Moderate
Public Date:
2016-11-14
CWE:
CWE-122
Bugzilla:
1410168: CVE-2016-9942 libvncserver: Heap-based buffer overflow in ultra.c

The MITRE CVE dictionary describes this issue as:

Heap-based buffer overflow in ultra.c in LibVNCClient in LibVNCServer before 0.9.11 allows remote servers to cause a denial of service (application crash) or possibly execute arbitrary code via a crafted FramebufferUpdate message with the Ultra type tile, such that the LZO payload decompressed length exceeds what is specified by the tile dimensions.

Find out more about CVE-2016-9942 from the MITRE CVE dictionary dictionary and NIST NVD.

CVSS v3 metrics

NOTE: The following CVSS v3 metrics and score provided are preliminary and subject to review.

CVSS3 Base Score 7.5
CVSS3 Base Metrics CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Attack Vector Network
Attack Complexity High
Privileges Required None
User Interaction Required
Scope Unchanged
Confidentiality High
Integrity Impact High
Availability Impact High

Affected Packages State

Platform Package State
Red Hat Enterprise Linux 7 libvncserver Will not fix
Red Hat Enterprise Linux 6 libvncserver Will not fix
Last Modified

CVE description copyright © 2017, The MITRE Corporation