CVE-2018-7999 - In libgraphite2 in graphite2 1.3.11, a NULL pointer dereference vulnerability was found in Segment.c

CVE-2018-7999

Summary

In libgraphite2 in graphite2 1.3.11, a NULL pointer dereference vulnerability was found in Segment.cpp during a dumbRendering operation, which may allow attackers to cause a denial of service or possibly have unspecified other impact via a crafted .ttf file.

References

https://github.com/silnrsi/graphite/commit/db132b4731a9b4c9534144ba3a18e65b390e9ff6
https://github.com/silnrsi/graphite/issues/22
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/L5F3CK2IPXFCLQZEBEEXONWIABN2E7H2/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/LVWOKYZZDEMG6VSG53KAGUOHUIIQ7CND/

Vulnerable Configurations

cpe:2.3:a:sil:graphite2:1.3.11:*:*:*:*:*:*:*
cpe:2.3:a:sil:graphite2:1.3.11:*:*:*:*:*:*:*

CVSS

Base:	6.8 (as of 06-09-2019 - 14:15)
Impact:
Exploitability:

CWE

CWE-476

CAPEC

Access

Vector	Complexity	Authentication
NETWORK	MEDIUM	NONE

Impact

Confidentiality	Integrity	Availability
PARTIAL	PARTIAL	PARTIAL

cvss-vector via4

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

refmap via4

fedora	FEDORA-2019-644ef7ebec FEDORA-2019-d0b1feb995
misc	https://github.com/silnrsi/graphite/commit/db132b4731a9b4c9534144ba3a18e65b390e9ff6 https://github.com/silnrsi/graphite/issues/22

Last major update

06-09-2019 - 14:15

Published

09-03-2018 - 19:29

Last modified

06-09-2019 - 14:15