CVE-2019-11040
CRITICAL severity · CVSS 9.1 · Out-of-bounds read
9.1CVSS CRITICAL
Summary
When PHP EXIF extension is parsing EXIF information from an image, e.g. via exif_read_data() function, in PHP versions 7.1.x below 7.1.30, 7.2.x below 7.2.19 and 7.3.x below 7.3.6 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 complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactHigh
Exploit probability (EPSS)4%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://bugs.php.net/bug.php?id=77988Advisory
- http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00029.htmlAdvisory
- https://access.redhat.com/errata/RHSA-2019:2519Advisory
- https://access.redhat.com/errata/RHSA-2019:3299Advisory
- https://seclists.org/bugtraq/2019/Sep/35Advisory
- https://seclists.org/bugtraq/2019/Sep/38Advisory
- https://www.debian.org/security/2019/dsa-4527Advisory
- https://www.debian.org/security/2019/dsa-4529Advisory