CVE-2017-7890 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....
MediumCVSS 6.5
EPSS 3.4%
- Published
- Updated
- Exploit status
- No public exploit known
Description
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.
Affected products
| Product | Affected versions | Fixed in |
|---|---|---|
| debian/libgd2(Debian:12) | < 2.2.5-1 | 2.2.5-1 |
| debian/libgd2(Debian:13) | < 2.2.5-1 | 2.2.5-1 |
| debian/libgd2(Debian:14) | < 2.2.5-1 | 2.2.5-1 |
| PHP | <= 5.6.30 | No fix listed |
| PHP | = 7.0.0 | No fix listed |
| PHP | = 7.0.1 | No fix listed |
| PHP | = 7.0.2 | No fix listed |
| PHP | = 7.0.3 | No fix listed |
| PHP | = 7.0.4 | No fix listed |
| PHP | = 7.0.5 | No fix listed |
| PHP | = 7.0.6 | No fix listed |
| PHP | = 7.0.7 | No fix listed |
| PHP | = 7.0.8 | No fix listed |
| PHP | = 7.0.9 | No fix listed |
| PHP | = 7.0.10 | No fix listed |
| PHP | = 7.0.11 | No fix listed |
| PHP | = 7.0.12 | No fix listed |
| PHP | = 7.0.13 | No fix listed |
| PHP | = 7.0.14 | No fix listed |
| PHP | = 7.0.15 | No fix listed |
| PHP | = 7.0.16 | No fix listed |
| PHP | = 7.0.17 | No fix listed |
| PHP | = 7.0.18 | No fix listed |
| PHP | = 7.0.19 | No fix listed |
| PHP | = 7.0.20 | No fix listed |
Show 11 more
| Product | Affected versions | Fixed in |
|---|---|---|
| PHP | = 7.1.0 | No fix listed |
| PHP | = 7.1.1 | No fix listed |
| PHP | = 7.1.2 | No fix listed |
| PHP | = 7.1.3 | No fix listed |
| PHP | = 7.1.4 | No fix listed |
| PHP | = 7.1.5 | No fix listed |
| PHP | = 7.1.6 | No fix listed |
| alpine/gd(Alpine:v3.4) | < 2.2.5-r0 | 2.2.5-r0 |
| alpine/gd(Alpine:v3.5) | < 2.2.5-r0 | 2.2.5-r0 |
| alpine/gd(Alpine:v3.6) | < 2.2.5-r0 | 2.2.5-r0 |
| alpine/php7(Alpine:v3.7) | < 7.1.7-r0 | 7.1.7-r0 |
References
- Debian Security Tracker CVE-2017-7890 vendor-advisory
- php.net release-notes vendor-advisory
- php.net release-notes vendor-advisory
- DSA-3938 vendor-advisory
- 99492 third-party-advisory vdb-entry
- RHSA-2018:0406 vendor-advisory
- RHSA-2018:1296 vendor-advisory
- bugs.php.net patch vendor-advisory
- bugs.php.net issue-tracking patch vendor-advisory
- security.netapp.com
- www.tenable.com
- security.alpinelinux.org vendor-advisory
- bugs.debian.org issue-tracking