CVE-2020-1918
CVE-2020-1918
This page contains facts from public vulnerability sources. Check the original advisory before updating.
In-memory file operations (ie: using fopen on a data URI) did not properly restrict negative seeking, allowing for the reading of memory prior to the in-memory buffer. This issue affects HHVM versions prior to 4.56.3, all versions between 4.57.0 and 4.80.1, all versions between 4.81.0 and 4.93.1, and versions 4.94.0, 4.95.0, 4.96.0, 4.97.0, 4.98.0.
CVSS 7.5 · High · EPSS 1.2% · Fix available
- Published
- Updated
Stack: system
Affected products and versions
hhvm
- Versions
- ≥ 4.98.1, < unspecified: Not affected (custom)
- 4.98.0: Affected
- ≥ 4.97.1, < unspecified: Not affected (custom)
- 4.97.0: Affected
- ≥ 4.96.1, < unspecified: Not affected (custom)
- 4.96.0: Affected
- ≥ 4.95.1, < unspecified: Not affected (custom)
- 4.95.0: Affected
- ≥ 4.94.1, < unspecified: Not affected (custom)
- 4.94.0: Affected
- ≥ 4.93.2, < unspecified: Not affected (custom)
- ≥ 4.81.0, < unspecified: Affected (custom)
- ≥ 4.80.2, < unspecified: Not affected (custom)
- ≥ 4.57.0, < unspecified: Affected (custom)
- ≥ 4.56.3, < unspecified: Not affected (custom)
- ≥ unspecified, < 4.56.3: Affected (custom)
Update to 4.56.3
hhvm Ubuntu:16.04:LTS
- Versions
- 3.11.0+dfsg-1
- 3.11.1+dfsg-1
- 3.11.1+dfsg-1ubuntu1
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published
hhvm Ubuntu:18.04:LTS
- Versions
- 3.21.0+dfsg-2
- 3.21.0+dfsg-2build1
- 3.21.0+dfsg-2build2
- 3.21.0+dfsg-2build3
- 3.21.0+dfsg-2ubuntu2
- Affected ranges
- ECOSYSTEM: (−∞, +∞)
No fix published