CVE-2020-7060
MEDIUM severity · CVSS 6.5 · Out-of-bounds read
6.5CVSS MEDIUM
Summary
When using certain mbstring functions to convert multibyte encodings, in PHP versions 7.2.x below 7.2.27, 7.3.x below 7.3.14 and 7.4.x below 7.4.2 it is possible to supply data that will cause function mbfl_filt_conv_big5_wchar 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 impactLow
Integrity impactNone
Availability impactLow
Exploit probability (EPSS)9%
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=79037 ↗
Additional information
- NVD record
- https://bugs.php.net/bug.php?id=79037Patch
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00023.htmlAdvisory
- https://lists.debian.org/debian-lts-announce/2020/02/msg00030.htmlAdvisory
- https://seclists.org/bugtraq/2020/Feb/27Advisory
- https://seclists.org/bugtraq/2020/Feb/31Advisory
- https://seclists.org/bugtraq/2021/Jan/3Advisory
- https://security.gentoo.org/glsa/202003-57Advisory
- https://security.netapp.com/advisory/ntap-20200221-0002/Advisory