NULL Pointer Dereference Affecting php7-wddx package, versions <7.2.34-150000.4.103.1
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Test your applications- Snyk ID SNYK-SLES150-PHP7WDDX-3134037
- published 19 Nov 2022
- disclosed 18 Nov 2022
Introduced: 18 Nov 2022
CVE-2020-7062 Open this link in a new tabHow to fix?
Upgrade SLES:15.0 php7-wddx to version 7.2.34-150000.4.103.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream php7-wddx package and not the php7-wddx package as distributed by SLES.
See How to fix? for SLES:15.0 relevant fixed versions and status.
In PHP versions 7.2.x below 7.2.28, 7.3.x below 7.3.15 and 7.4.x below 7.4.3, when using file upload functionality, if upload progress tracking is enabled, but session.upload_progress.cleanup is set to 0 (disabled), and the file upload fails, the upload procedure would try to clean up data that does not exist and encounter null pointer dereference, which would likely lead to a crash.
References
- https://www.suse.com/security/cve/CVE-2020-7062.html
- https://bugzilla.suse.com/1165280
- https://bugs.php.net/bug.php?id=79221
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00023.html
- https://security.gentoo.org/glsa/202003-57
- https://lists.debian.org/debian-lts-announce/2020/03/msg00034.html
- https://usn.ubuntu.com/4330-1/
- https://www.debian.org/security/2020/dsa-4717
- https://www.debian.org/security/2020/dsa-4719
- https://www.tenable.com/security/tns-2021-14