Heap-based Buffer Overflow Affecting rh-php71-php-enchant package, versions <0:7.1.30-1.el7
Threat Intelligence
Snyk has a published code exploit for this vulnerability.
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-RHEL7-RHPHP71PHPENCHANT-4799679
- published26 Jul 2021
- disclosed9 Dec 2018
Introduced: 9 Dec 2018
CVE-2019-6977 (opens in a new tab)How to fix?
Upgrade RHEL:7 rh-php71-php-enchant to version 0:7.1.30-1.el7 or higher.
This issue was patched in RHSA-2019:2519.
NVD Description
Note: Versions mentioned in the description apply only to the upstream rh-php71-php-enchant package and not the rh-php71-php-enchant package as distributed by RHEL.
See How to fix? for RHEL:7 relevant fixed versions and status.
gdImageColorMatch in gd_color_match.c in the GD Graphics Library (aka LibGD) 2.2.5, as used in the imagecolormatch function in PHP before 5.6.40, 7.x before 7.1.26, 7.2.x before 7.2.14, and 7.3.x before 7.3.1, has a heap-based buffer overflow. This can be exploited by an attacker who is able to trigger imagecolormatch calls with crafted image data.
References
- http://www.securityfocus.com/bid/106731
- https://security.netapp.com/advisory/ntap-20190315-0003/
- https://access.redhat.com/security/cve/CVE-2019-6977
- https://www.debian.org/security/2019/dsa-4384
- https://www.exploit-db.com/exploits/46677/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/3WRUPZVT2MWFUEMVGTRAGDOBHLNMGK5R/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TEYUUOW75YD3DENIPYMO263E6NL2NFHI/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/TTXSLRZI5BCQT3H5KALG3DHUWUMNPDX2/
- https://security.gentoo.org/glsa/201903-18
- http://packetstormsecurity.com/files/152459/PHP-7.2-imagecolormatch-Out-Of-Band-Heap-Write.html
- http://php.net/ChangeLog-5.php
- http://php.net/ChangeLog-7.php
- https://bugs.php.net/bug.php?id=77270
- https://lists.debian.org/debian-lts-announce/2019/01/msg00028.html
- https://access.redhat.com/errata/RHSA-2019:2519
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00025.html
- http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00031.html
- https://usn.ubuntu.com/3900-1/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3WRUPZVT2MWFUEMVGTRAGDOBHLNMGK5R/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TEYUUOW75YD3DENIPYMO263E6NL2NFHI/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/TTXSLRZI5BCQT3H5KALG3DHUWUMNPDX2/
- https://www.exploit-db.com/exploits/46677