Description (CNA)
Incorrect bounds calculations in substr_compare could lead to an out-of-bounds read when the second string argument passed in is longer than the first. 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.
Affected (CNA)
| Vendor / product | Versions |
|---|---|
| Facebook / HHVM | unaffected 4.98.1 before unspecified; affected 4.98.0; unaffected 4.97.1 before unspecified; affected 4.97.0; unaffected 4.96.1 before unspecified; affected 4.96.0; unaffected 4.95.1 before unspecified; affected 4.95.0; unaffected 4.94.1 before unspecified; affected 4.94.0; unaffected 4.93.2 before unspecified; affected 4.81.0 before unspecified; unaffected 4.80.2 before unspecified; affected 4.57.0 before unspecified; unaffected 4.56.3 before unspecified; affected unspecified before 4.56.3 |
CWE
CWE-125
References
- https://hhvm.com/blog/2021/02/25/security-update.html
- https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca
ADP enrichment
No English description supplied.