Ubuntu.comUB:CVE-2019-15693CVE-2019-15693
6.5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
7.2 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
0.004 Low
EPSS
Percentile
72.3%
TigerVNC version prior to 1.10.1 is vulnerable to heap buffer overflow,
which occurs in TightDecoder::FilterGradient. Exploitation of this
vulnerability could potentially result into remote code execution. This
attack appear to be exploitable via network connectivity.
Bugs
References
github.com/CendioOssman/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95
github.com/TigerVNC/tigervnc/commit/46c081926efd83c90a45c0a96b1b5bc1927e1346 (v1.10.1)
github.com/TigerVNC/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95 (master)
github.com/TigerVNC/tigervnc/releases/tag/v1.10.1
launchpad.net/bugs/cve/CVE-2019-15693
nvd.nist.gov/vuln/detail/CVE-2019-15693
security-tracker.debian.org/tracker/CVE-2019-15693
www.cve.org/CVERecord?id=CVE-2019-15693
www.openwall.com/lists/oss-security/2019/12/20/2
Related
6.5 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
SINGLE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:S/C:P/I:P/A:P
7.2 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
HIGH
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
0.004 Low
EPSS
Percentile
72.3%