CVE-2019-15693

high
New! CVE Severity Now Using CVSS v3

The calculated severity for CVEs has been updated to use CVSS v3 by default. CVEs that do not have a CVSS v3 score will fall back CVSS v2 for calculating severity. Severity display preferences can be toggled in the settings dropdown.

Description

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.

References

http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00039.html

https://github.com/CendioOssman/tigervnc/commit/b4ada8d0c6dac98c8b91fc64d112569a8ae5fb95

https://github.com/TigerVNC/tigervnc/releases/tag/v1.10.1

https://www.openwall.com/lists/oss-security/2019/12/20/2

Details

Source: MITRE

Published: 2019-12-26

Updated: 2020-01-21

Type: CWE-787

Risk Information

CVSS v2

Base Score: 6.5

Vector: AV:N/AC:L/Au:S/C:P/I:P/A:P

Impact Score: 6.4

Exploitability Score: 8

Severity: MEDIUM

CVSS v3

Base Score: 7.2

Vector: CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H

Impact Score: 5.9

Exploitability Score: 1.2

Severity: HIGH

Vulnerable Software

Configuration 1

OR

cpe:2.3:a:tigervnc:tigervnc:*:*:*:*:*:*:*:*

Tenable Plugins

View all (22 total)

IDNameProductFamilySeverity
147375NewStart CGSL CORE 5.04 / MAIN 5.04 : tigervnc Multiple Vulnerabilities (NS-SA-2021-0035)NessusNewStart CGSL Local Security Checks
high
146755EulerOS 2.0 SP2 : tigervnc (EulerOS-SA-2021-1369)NessusHuawei Local Security Checks
high
146169EulerOS 2.0 SP5 : tigervnc (EulerOS-SA-2021-1237)NessusHuawei Local Security Checks
high
146003CentOS 8 : tigervnc (CESA-2020:1497)NessusCentOS Local Security Checks
high
145143EulerOS 2.0 SP3 : tigervnc (EulerOS-SA-2021-1127)NessusHuawei Local Security Checks
high
144989Amazon Linux AMI : tigervnc (ALAS-2021-1470)NessusAmazon Linux Local Security Checks
high
144468Amazon Linux AMI : tigervnc (ALAS-2020-1470) (deprecated)NessusAmazon Linux Local Security Checks
high
141997Amazon Linux 2 : tigervnc (ALAS-2020-1552)NessusAmazon Linux Local Security Checks
high
141653Scientific Linux Security Update : tigervnc on SL7.x x86_64 (20201001)NessusScientific Linux Local Security Checks
high
141600CentOS 7 : tigervnc (CESA-2020:3875)NessusCentOS Local Security Checks
high
141215Oracle Linux 7 : tigervnc (ELSA-2020-3875)NessusOracle Linux Local Security Checks
high
141028RHEL 7 : tigervnc (RHSA-2020:3875)NessusRed Hat Local Security Checks
high
139988EulerOS 2.0 SP8 : tigervnc (EulerOS-SA-2020-1885)NessusHuawei Local Security Checks
high
138772NewStart CGSL MAIN 6.01 : tigervnc Multiple Vulnerabilities (NS-SA-2020-0032)NessusNewStart CGSL Local Security Checks
high
138296SUSE SLES12 Security Update : tigervnc (SUSE-SU-2020:1749-1)NessusSuSE Local Security Checks
high
135876RHEL 8 : tigervnc (RHSA-2020:1497)NessusRed Hat Local Security Checks
high
135748Oracle Linux 8 : tigervnc (ELSA-2020-1497)NessusOracle Linux Local Security Checks
high
133395SUSE SLES12 Security Update : tigervnc (SUSE-SU-2020:0266-1)NessusSuSE Local Security Checks
high
133201SUSE SLES12 Security Update : tigervnc (SUSE-SU-2020:0159-1)NessusSuSE Local Security Checks
high
133173openSUSE Security Update : tigervnc (openSUSE-2020-87)NessusSuSE Local Security Checks
high
133035SUSE SLED15 / SLES15 Security Update : tigervnc (SUSE-SU-2020:0113-1)NessusSuSE Local Security Checks
high
133034SUSE SLED15 / SLES15 Security Update : tigervnc (SUSE-SU-2020:0112-1)NessusSuSE Local Security Checks
high