NULL Pointer Dereference Affecting graphviz-php54 package, versions <0:2.38.0-18.51.amzn1
Threat Intelligence
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-AMZN201803-GRAPHVIZPHP54-1717614
- published27 Sept 2021
- disclosed8 Apr 2019
Introduced: 8 Apr 2019
CVE-2019-11023 (opens in a new tab)How to fix?
Upgrade Amazon-Linux:2018.03 graphviz-php54 to version 0:2.38.0-18.51.amzn1 or higher.
This issue was patched in ALAS-2019-1207.
NVD Description
Note: Versions mentioned in the description apply only to the upstream graphviz-php54 package and not the graphviz-php54 package as distributed by Amazon-Linux.
See How to fix? for Amazon-Linux:2018.03 relevant fixed versions and status.
The agroot() function in cgraph\obj.c in libcgraph.a in Graphviz 2.39.20160612.1140 has a NULL pointer dereference, as demonstrated by graphml2gv.
References
- http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2019-11023
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CLEAHLDJVMAEGA3YMC7KPKJ7ZPXNMJID/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FI3D5TQE3IMCSF5OUTXQL4GVKFCIY5JG/
- https://gitlab.com/graphviz/graphviz/issues/1517
- https://research.loginsoft.com/bugs/null-pointer-dereference-in-function-agroot/
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00054.html
- http://lists.opensuse.org/opensuse-security-announce/2019-05/msg00065.html
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00056.html
- http://lists.opensuse.org/opensuse-security-announce/2020-06/msg00065.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CLEAHLDJVMAEGA3YMC7KPKJ7ZPXNMJID/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FI3D5TQE3IMCSF5OUTXQL4GVKFCIY5JG/