VulnerabilityModified
CVE-2019-11936
Various APC functions accept keys containing null bytes as input, leading to premature truncation of input.
CRITICAL 9.8EPSS 1.48%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.48%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Various APC functions accept keys containing null bytes as input, leading to premature truncation of input. This issue affects HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.23.1, as well as 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, and 4.28.1.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 1.48% probability · 72th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-626
- Affected
- facebook/hhvm
- Source
- cve-assign@fb.com
References
- https://github.com/facebook/hhvm/commit/f57df6d8cf33cb14c40f52287da29360e7003373Patch, Third Party Advisory
- https://hhvm.com/blog/2019/10/28/security-update.htmlVendor Advisory
- https://www.facebook.com/security/advisories/cve-2019-11936Vendor Advisory
- https://github.com/facebook/hhvm/commit/f57df6d8cf33cb14c40f52287da29360e7003373Patch, Third Party Advisory
- https://hhvm.com/blog/2019/10/28/security-update.htmlVendor Advisory
- https://www.facebook.com/security/advisories/cve-2019-11936Vendor Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.