CVE-2020-1921
CVE-2020-1921
This page contains facts from public vulnerability sources. Check the original advisory before updating.
In the crypt function, we attempt to null terminate a buffer using the size of the input salt without validating that the offset is within the 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