Improper Input Validation Affecting php-xml package, versions <0:5.4.16-43.el7_4.1
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-CENTOS7-PHPXML-2098065
- published26 Jul 2021
- disclosed10 Jul 2017
Introduced: 10 Jul 2017
CVE-2017-7890 (opens in a new tab)How to fix?
Upgrade Centos:7 php-xml to version 0:5.4.16-43.el7_4.1 or higher.
NVD Description
Note: Versions mentioned in the description apply only to the upstream php-xml package and not the php-xml package as distributed by Centos.
See How to fix? for Centos:7 relevant fixed versions and status.
The GIF decoding function gdImageCreateFromGifCtx in gd_gif_in.c in the GD Graphics Library (aka libgd), as used in PHP before 5.6.31 and 7.x before 7.1.7, does not zero colorMap arrays before use. A specially crafted GIF image could use the uninitialized tables to read ~700 bytes from the top of the stack, potentially disclosing sensitive information.
References
- http://www.securityfocus.com/bid/99492
- http://php.net/ChangeLog-5.php
- http://php.net/ChangeLog-7.php
- https://bugs.php.net/bug.php?id=74435
- https://bugs.php.net/patch-display.php?bug=74435&patch=fix-74435-php-7.0&revision=1497970038
- https://security.netapp.com/advisory/ntap-20180112-0001/
- https://www.tenable.com/security/tns-2017-12
- https://access.redhat.com/security/cve/CVE-2017-7890
- http://www.debian.org/security/2017/dsa-3938
- https://access.redhat.com/errata/RHSA-2018:0406