CVE-2020-7064
MEDIUM severity · CVSS 6.5 · Out-of-bounds read
6.5CVSS MEDIUM
Summary
In PHP versions 7.2.x below 7.2.9, 7.3.x below 7.3.16 and 7.4.x below 7.4.4, while parsing EXIF data with exif_read_data() function, it is possible for malicious data to cause PHP to read one byte of uninitialized memory. This could potentially lead to information disclosure or crash.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactLow
Integrity impactNone
Availability impactLow
Exploit probability (EPSS)4%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L
Affected products we track (1)
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=79282 ↗
Additional information
- NVD record
- https://bugs.php.net/bug.php?id=79282Patch
- http://lists.opensuse.org/opensuse-security-announce/2020-05/msg00025.htmlAdvisory
- https://lists.debian.org/debian-lts-announce/2020/04/msg00021.htmlAdvisory
- https://security.netapp.com/advisory/ntap-20200403-0001/Advisory
- https://usn.ubuntu.com/4330-1/Advisory
- https://usn.ubuntu.com/4330-2/Advisory
- https://www.debian.org/security/2020/dsa-4717Advisory
- https://www.debian.org/security/2020/dsa-4719Advisory