Description
In PHP versions 7.3.x below 7.3.13 and 7.4.0 on Windows, when supplying custom headers to mail() function, due to mistake introduced in commit 78f4b4a2dcf92ddbccea1bb95f8390a18ac3342e, if the header is supplied in lowercase, this can result in double-freeing certain memory locations.
CVSS breakdown
CVSS 3.1
Attack Vector
Network
Attack Complexity
High
Privileges Required
None
User Interaction
None
Scope
Unchanged
Confidentiality
None
Integrity
Low
Availability
High
Affected products
- debian / debian_linux10.0 – 10.0
- fedoraproject / fedora31 – 31
- fedoraproject / fedora30 – 30
- php / php7.3.0 – 7.3.13
- php / php7.4.0 – 7.4.0
- PHP Group / PHP7.3.x – 7.3.13
- PHP Group / PHP7.4.x – 7.4.1
- tenable / Security Center5.19.0
References
- MISChttps://bugs.php.net/bug.php?id=78943
- MISChttps://security.netapp.com/advisory/ntap-20200103-0002/
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N7GCOAE6KVHYJ3UQ4KLPLTGSLX6IRVRN/
- MAILING_LISThttps://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XWRQPYXVG43Q7DXMXH6UVWMKWGUW552F/
- MAILING_LISThttps://seclists.org/bugtraq/2020/Feb/27
- VENDOR_ADVISORYhttps://www.debian.org/security/2020/dsa-4626
- MISChttps://www.tenable.com/security/tns-2021-14
Updated 16m ago · 8 sources