CVE-2019-15680 - TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which resu

CVE-2019-15680

Summary

TightVNC code version 1.3.10 contains null pointer dereference in HandleZlibBPP function, which results Denial of System (DoS). This attack appear to be exploitable via network connectivity.

References

https://cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf
https://lists.debian.org/debian-lts-announce/2019/12/msg00028.html
https://us-cert.cisa.gov/ics/advisories/icsa-20-343-08
https://usn.ubuntu.com/4407-1/
https://www.openwall.com/lists/oss-security/2018/12/10/5

Vulnerable Configurations

cpe:2.3:a:tightvnc:tightvnc:1.3.10:*:*:*:*:*:*:*
cpe:2.3:a:tightvnc:tightvnc:1.3.10:*:*:*:*:*:*:*

CVSS

Base:	5.0 (as of 09-12-2020 - 17:15)
Impact:
Exploitability:

CWE

CWE-476

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	LOW	NONE

Impact

Confidentiality	Integrity	Availability
NONE	NONE	PARTIAL

cvss-vector via4

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

refmap via4

confirm	https://cert-portal.siemens.com/productcert/pdf/ssa-478893.pdf
misc	https://us-cert.cisa.gov/ics/advisories/icsa-20-343-08
mlist	[debian-lts-announce] 20191221 [SECURITY] [DLA 2045-1] tightvnc security update [oss-security] 20181210 libvnc and tightvnc vulnerabilities
ubuntu	USN-4407-1

Last major update

09-12-2020 - 17:15

Published

29-10-2019 - 19:15

Last modified

09-12-2020 - 17:15