CVE-2019-20840

Description

An issue was discovered in LibVNCServer before 0.9.13. libvncserver/ws_decode.c can lead to a crash because of unaligned accesses in hybiReadAndDecode.

References

https://usn.ubuntu.com/4434-1/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4F6FUH4EFK4NAP6GT4TQRTBKWIRCZLIY/

https://github.com/LibVNC/libvncserver/compare/LibVNCServer-0.9.12...LibVNCServer-0.9.13

https://github.com/LibVNC/libvncserver/commit/0cf1400c61850065de590d403f6d49e32882fd76

https://cert-portal.siemens.com/productcert/pdf/ssa-390195.pdf

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00066.html

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00055.html

http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00033.html

Details

Source: Mitre, NVD

Risk Information

CVSS v2

CVSS v3