CVE-2020-7067
HIGH severity · CVSS 7.5 · Out-of-bounds read
7.5CVSS HIGH
Summary
In PHP versions 7.2.x below 7.2.30, 7.3.x below 7.3.17 and 7.4.x below 7.4.5, if PHP is compiled with EBCDIC support (uncommon), urldecode() function can be made to access locations past the allocated memory, due to erroneously using signed numbers as array indexes.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionNone
Confidentiality impactHigh
Integrity impactNone
Availability impactNone
Exploit probability (EPSS)4%
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Affected products we track (1)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Official patch: https://www.tenable.com/security/tns-2021-14 ↗
Additional information
- NVD record
- https://www.tenable.com/security/tns-2021-14Patch
- https://bugs.php.net/bug.php?id=79465Advisory
- https://security.netapp.com/advisory/ntap-20200504-0001/Advisory
- https://www.debian.org/security/2020/dsa-4717Advisory
- https://www.debian.org/security/2020/dsa-4719Advisory
- https://www.oracle.com/security-alerts/cpuApr2021.htmlAdvisory
- https://www.oracle.com/security-alerts/cpuoct2020.htmlAdvisory