CVE-2019-11050
MEDIUM severity · CVSS 4.8 · Out-of-bounds read
4.8CVSS MEDIUM
Summary
When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.2.x below 7.2.26, 7.3.x below 7.3.13 and 7.4.0 it is possible to supply it with data what will cause it to read past the allocated buffer. This may lead to information disclosure or crash.
Impact & exploitability
Attack vectorNetwork
Attack complexityHigh
Privileges requiredNone
User interactionNone
Confidentiality impactLow
Integrity impactNone
Availability impactLow
Exploit probability (EPSS)8%
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:N/A:L
Recommendation
Apply the vendor fix in your normal patch cycle. Open any affected product above for its exact safe version.
Official patch: https://bugs.php.net/bug.php?id=78793 ↗
Additional information
- NVD record
- https://bugs.php.net/bug.php?id=78793Patch
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00036.htmlAdvisory
- https://lists.debian.org/debian-lts-announce/2019/12/msg00034.htmlAdvisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N7GCOAE6KVHYJ3UQ4KLPLTGSLX6IRVRN/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWRQPYXVG43Q7DXMXH6UVWMKWGUW552F/
- https://seclists.org/bugtraq/2020/Feb/27Advisory
- https://seclists.org/bugtraq/2020/Feb/31Advisory
- https://seclists.org/bugtraq/2021/Jan/3Advisory