9.8crit
CVE-2018-20749
LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c.
Published 7 y ago · modified 4 mo ago · JSON
CVSS
9.8
v3.1 · NVD
CISA KEV
No
not known exploited
EPSS
3.2%
percentile 88%
Public exploits
0
none known
Summary
LibVNC before 0.9.12 contains a heap out-of-bounds write vulnerability in libvncserver/rfbserver.c. The fix for CVE-2018-15127 was incomplete.
Exploit prediction (EPSS)
3.23% probability of exploitation in the next 30 days, higher than 88% of all scored CVEs.
CVSS scores
| Assigned by | Version | Score | Vector |
|---|---|---|---|
| NVD | 3.1 | 9.8 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| NVD | 2.0 | 7.5 | AV:N/AC:L/Au:N/C:P/I:P/A:P |
Classification
- Weakness
- CWE-787 Out-of-bounds Write
References
- lists.debian.org /debian-lts-announce/2019/01/msg00029.html · mailing-list, x_refsource_MLIST, x_transferred
- securityfocus.com /bid/106825 · vdb-entry, x_refsource_BID, x_transferred
- github.com /LibVNC/libvncserver/commit/15bb719c03cc70f14c36a843dcb16ed69b405707 · x_refsource_MISC, x_transferred
- github.com /LibVNC/libvncserver/issues/273 · x_refsource_MISC, x_transferred
- usn.ubuntu.com /3877-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
- openwall.com /lists/oss-security/2018/12/10/8 · x_refsource_MISC, x_transferred
- lists.debian.org /debian-lts-announce/2019/10/msg00042.html · mailing-list, x_refsource_MLIST, x_transferred
- usn.ubuntu.com /4547-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
- usn.ubuntu.com /4587-1/ · vendor-advisory, x_refsource_UBUNTU, x_transferred
- cert-portal.siemens.com /productcert/pdf/ssa-390195.pdf · x_refsource_CONFIRM, x_transferred
Sources
- CVE List: CVE-2018-20749
- NVD: CVE-2018-20749
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