vulnwire
7.5high

CVE-2018-20022

LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization vulnerability in VNC c…

Published 7 y ago · modified 4 mo ago · JSON

CVSS
7.5
v3.0 · NVD
CISA KEV
No
not known exploited
EPSS
2.9%
percentile 87%
Public exploits
0
none known

LibVNC before 2f5b2ad1c6c99b1ac6482c95844a84d66bb52838 contains multiple weaknesses CWE-665: Improper Initialization vulnerability in VNC client code that allows attacker to read stack memory and can be abuse for information disclosure. Combined with another vulnerability, it can be used to leak stack memory layout and in bypassing ASLR

Exploit prediction (EPSS)

2.94% probability of exploitation in the next 30 days, higher than 87% of all scored CVEs.

CVSS scores

Assigned byVersionScoreVector
NVD3.07.5CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
NVD2.05.0AV:N/AC:L/Au:N/C:P/I:N/A:N

Affected products

  • n/a LibVNC

Classification

Weakness

References

  • debian.org /security/2019/dsa-4383 · vendor-advisory, x_refsource_DEBIAN, x_transferred
  • lists.debian.org /debian-lts-announce/2018/12/msg00017.html · mailing-list, x_refsource_MLIST, x_transferred
  • ics-cert.kaspersky.com /advisories/klcert-advisories/2018/12/19/klcert-18-032-libvnc-multiple-memory-leaks/ · x_refsource_MISC, x_transferred
  • usn.ubuntu.com /3877-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • security.gentoo.org /glsa/201908-05 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • lists.debian.org /debian-lts-announce/2019/10/msg00042.html · mailing-list, x_refsource_MLIST, x_transferred
  • lists.debian.org /debian-lts-announce/2019/11/msg00033.html · mailing-list, x_refsource_MLIST, x_transferred
  • lists.debian.org /debian-lts-announce/2019/12/msg00028.html · mailing-list, x_refsource_MLIST, x_transferred
  • security.gentoo.org /glsa/202006-06 · vendor-advisory, x_refsource_GENTOO, x_transferred
  • usn.ubuntu.com /4547-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • usn.ubuntu.com /4547-2/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
  • usn.ubuntu.com /4587-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred

Sources

vulnwire keeps one entry per vulnerability: the CVE id wins, then GHSA; records that alias each other are merged. Machine-readable: JSON.