7.5

CVE-2019-15681: canonical ubuntu_linux Improper Initialization

CVSS: 7.5v3.1HighModified
AliasesALPINE-CVE-2019-15681MGASA-2019-0368SUSE-SU-2020:0955-1
Published 29-10-2019Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2019-15681 is a high (CVSS 7.5) Improper Initialization vulnerability in canonical ubuntu_linux. EPSS estimates a 2.91% chance of exploitation in the next 30 days, higher than 86.7% of scored vulnerabilities.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.5/10
010
High · v3.1 (NVD)
EPSS score
2.91%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 14 · Related 9
DLA-1979-1DLA-2014-1DLA-2045-1MGASA-2020-0242MGASA-2020-0435OPENSUSE-SU-2020:0624-1

Timeline

  1. 29-10-2019
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

LibVNC commit before d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a contains a memory leak (CWE-655) in VNC server code, which allow an attacker to read stack memory and can be abused for information disclosure. Combined with another vulnerability, it can be used to leak stack memory and bypass ASLR. This attack appear to be exploitable via network connectivity. These vulnerabilities have been fixed in commit d01e1bb4246323ba6fcee3b82ef1faa9b1dac82a.

CVSS metrics

5 scores · 4 sources · 2 versions

EPSS trend

Probability

2.91%

Chance of exploitation in the next 30 days

Percentile

87%

Versus all other CVEs

30-day change

0.00 pp

From 2.91% on 19-09-2026

19-09-202619-10-2026
EPSS score
2.91%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Ubuntu7 products
  • italc< 1:2.0.2+dfsg1-4ubuntu0.1 | < 1:3.0.3+dfsg1-3ubuntu0.1
  • krfbAll versions (No fix recorded)
  • libvncserver< 0.9.10+dfsg-3ubuntu0.16.04.4 | < 0.9.11+dfsg-1ubuntu1.2
  • tightvnc< 1.3.9-6.5+deb8u1build0.14.04.1~esm1 | All versions (No fix recorded)
  • veyonAll versions (No fix recorded)
Siemens6 products
Suse5 products
  • vino&distro=SUSE Linux Enterprise Module for Desktop Applications 15 SP1< 3.22.0-3.6.76
  • vino&distro=SUSE Linux Enterprise Server 12 SP4< 3.20.2-7.3.21
  • vino&distro=SUSE Linux Enterprise Server 12 SP5< 3.20.2-7.3.21
  • vino&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP4< 3.20.2-7.3.21
  • vino&distro=SUSE Linux Enterprise Server for SAP Applications 12 SP5< 3.20.2-7.3.21
Debian4 products
  • libvncserver< 0.9.12+dfsg-3 | < 0.9.9+dfsg2-6.1+deb8u6
  • tightvnc< 1:1.3.9-9.1
  • vino< 3.22.0-6
  • debian_linuxEOL8.0 | 9.0
Opensuse2 products
  • vino&distro=openSUSE Leap 15.1< 3.22.0-lp151.4.3.1
  • vino&distro=openSUSE Tumbleweed< 3.22.0-7.9
Alpine1 product
  • libvncserver< 0.9.11-r3 | < 0.9.12-r1
Canonical1 product
Kaspersky1 product
Libvnc_project1 product
Mageia1 product
  • libvncserver< 0.9.12-2.1.mga7

10 vendors · 29 products

References

28 links
Show all 28 references