CVE-2019-15691
CVE-2019-15691 Vulnerability Analysis & Exploit Intelligence
TigerVNC version prior to 1.10.1 is vulnerable to stack use-after-return, which occurs due to incorrect usage of stack memory in ZRLEDecoder. If decoding routine would throw an exception, ZRLEDecoder may try to access stack variable, which has been already freed during the process of stack unwinding. Exploitation of this vulnerability could potentially result into remote code execution. This attack appear to be exploitable via network connectivity.
Published Updated Sources: cvelistV5, Kaspersky
Triage
Is it exploited, how likely is exploitation, what does it touch, and how severe do the scoring sources call it.
Exploitation
Unreported
no source claims exploitation
EPSS
5%
chance of exploitation in 30 days
CVSS base
Unscored
no source published a base score
Affected scope
The catalog records vendors and products as separate lists, not pairs, so which product belongs to which vendor is not something this page can say.
Vendors (1)
Products (1)
Weakness & attack patterns
- CWE-825
References
4 on the record
- github.com/CendioOssman/tigervnc/commit/d61a767d6842b530ffb532ddd5a3d233119aad40
x_refsource_MISC
- github.com/TigerVNC/tigervnc/releases/tag/v1.10.1
x_refsource_MISC
- www.openwall.com/lists/oss-security/2019/12/20/2
mailing-list, x_refsource_MLIST
- lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html
vendor-advisory, x_refsource_SUSE
Elsewhere on this site
Not in any source we poll
Listed rather than left blank: an empty field and an unmeasured one look identical on screen, and only one is a reason to look elsewhere.
- No confirmed IOCs, IP addresses, domains, file hashes, or malware artifacts supplied.
- No organization-specific asset inventory, compensating-control status, or patch deployment evidence supplied.
- No exploit packet captures, log samples, or incident case IDs supplied.