CVE-2018-5711
MEDIUM severity · CVSS 5.5 · CWE-681
5.5CVSS MEDIUM
Summary
gd_gif_in.c in the GD Graphics Library (aka libgd), as used in PHP before 5.6.33, 7.0.x before 7.0.27, 7.1.x before 7.1.13, and 7.2.x before 7.2.1, has an integer signedness error that leads to an infinite loop via a crafted GIF file, as demonstrated by a call to the imagecreatefromgif or imagecreatefromstring PHP function. This is related to GetCode_ and gdImageCreateFromGifCtx.
Impact & exploitability
Attack vectorLocal
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactNone
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)10%
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://bugs.php.net/bug.php?id=75571 ↗
Additional information
- NVD record
- https://bugs.php.net/bug.php?id=75571Patch
- http://php.net/ChangeLog-5.phpAdvisory
- http://php.net/ChangeLog-7.phpAdvisory
- https://access.redhat.com/errata/RHSA-2018:1296Advisory
- https://access.redhat.com/errata/RHSA-2019:2519
- https://lists.debian.org/debian-lts-announce/2018/01/msg00022.htmlAdvisory
- https://lists.debian.org/debian-lts-announce/2019/01/msg00028.htmlAdvisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/3CZ2QADQTKRHTGB2AHD7J4QQNDLBEMM6/