CVE-2019-12970

Published: 1 July 2019

XSS was discovered in SquirrelMail through 1.4.22 and 1.5.x through 1.5.2. Due to improper handling of RCDATA and RAWTEXT type elements, the built-in sanitization mechanism can be bypassed. Malicious script content from HTML e-mail can be executed within the application context via crafted use of (for example) a NOEMBED, NOFRAMES, NOSCRIPT, or TEXTAREA element.

From the Ubuntu Security Team

It was discovered a XSS vulnerability in SquirrelMail. An attacker could use malicious script content from HTML e-mail to execute code and/or provoke a denial of service.

Priority

Cvss 3 Severity Score

6.1

Score breakdown

Status

Package	Release	Status
squirrelmail Launchpad, Ubuntu, Debian	bionic	Does not exist
	cosmic	Does not exist
	disco	Does not exist
	eoan	Does not exist
	focal	Does not exist
	groovy	Does not exist
	trusty	Released (2:1.4.23~svn20120406-2+deb8u3ubuntu0.14.04.1~esm1) Available with Ubuntu Pro or Ubuntu Pro (Infra-only)
	upstream	Released (2:1.4.23~svn20120406-2+deb8u4)
	xenial	Released (2:1.4.23~svn20120406-2+deb8u3ubuntu0.16.04.2)

Severity score breakdown

Parameter	Value
Base score	6.1
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	Required
Scope	Changed
Confidentiality	Low
Integrity impact	Low
Availability impact	None
Vector	CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N

References

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