A vulnerability classified as problematic was found in SquirrelMail up to 1.4.22 (Mail Client Software). Affected by this vulnerability is some unknown functionality of the component Math Tag Handler. The manipulation as part of a Message leads to a cross site scripting vulnerability. The CWE definition for the vulnerability is CWE-79. The product does not neutralize or incorrectly neutralizes user-controllable input before it is placed in output that is used as a web page that is served to other users. As an impact it is known to affect integrity. The summary by CVE is:

The mail message display page in SquirrelMail through 1.4.22 has XSS via a "<math><maction xlink:href=" attack.

The bug was discovered 07/26/2018. The weakness was published 08/05/2018 (Website). It is possible to read the advisory at openwall.com. This vulnerability is known as CVE-2018-14952 since 08/05/2018. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. The technical details are unknown and an exploit is not publicly available. The attack technique deployed by this issue is T1059.007 according to MITRE ATT&CK.

The vulnerability was handled as a non-public zero-day exploit for at least 10 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Productinfo

Type

• Mail Client Software

Name

• SquirrelMail

Version

• 1.4.0
• 1.4.1
• 1.4.2
• 1.4.3
• 1.4.4
• 1.4.5
• 1.4.6
• 1.4.7
• 1.4.8
• 1.4.9
• 1.4.10
• 1.4.11
• 1.4.12
• 1.4.13
• 1.4.14
• 1.4.15
• 1.4.16
• 1.4.17
• 1.4.18
• 1.4.19
• 1.4.20
• 1.4.21
• 1.4.22

License

• free

CPE 2.3info

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CPE 2.2info

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