UBUNTU-CVE-2020-1921
Dashboard / Vulnerabilities / UBUNTU-CVE-2020-1921
Summary:
Details: 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.
References: https://ubuntu.com/security/CVE-2020-1921, https://github.com/facebook/hhvm/commit/08193b7f0cd3910256e00d599f0f3eb2519c44ca, https://hhvm.com/blog/2021/02/25/security-update.html, https://www.cve.org/CVERecord?id=CVE-2020-1921
Affected packages
Package
Name: hhvm
Purl: pkg:deb/ubuntu/[email protected]+dfsg-1ubuntu1?arch=source&distro=xenial
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -None
Affected versions
3.11.0+dfsg-1
3.11.1+dfsg-1
3.11.1+dfsg-1ubuntu1
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
