CVE-2020-7068
Use of freed hash key in the phar_parse_zipfile function
3.6
LOW
CVSS 3.1
EPSS 1.7%
Description
In PHP versions 7.2.x below 7.2.33, 7.3.x below 7.3.21 and 7.4.x below 7.4.9, while processing PHAR files using phar extension, phar_parse_zipfile could be tricked into accessing freed memory, which could lead to a crash or information disclosure.
How to fix CVE-2020-7068
To remediate CVE-2020-7068, upgrade the affected package to a fixed version below.
- Bitnami/libphp—upgrade to 7.2.33 or later
- —upgrade to 7.2.33 or later
- —upgrade to 7.2.33 or later
- —upgrade to 7.0.33-0+deb9u9 or later
- —upgrade to 7.3.27-1~deb10u1 or later
- —upgrade to 7.4.9-1 or later
Is CVE-2020-7068 being exploited?
Low — EPSS is 1.7%, meaning exploitation activity has not been observed at scale.
Affected packages (6)
- >= 7.2.0, < 7.2.33, >= 7.3.0, < 7.3.21, >= 7.4.0, < 7.4.9
- >= 7.2.0, < 7.2.33, >= 7.3.0, < 7.3.21, >= 7.4.0, < 7.4.9
- >= 7.2.0, < 7.2.33, >= 7.3.0, < 7.3.21, >= 7.4.0, < 7.4.9
- from 0, < 7.0.33-0+deb9u9
- from 0, < 7.3.27-1~deb10u1
- from 0, < 7.4.9-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | LOW3.6 | CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:N/A:L |