Bug#985221: velocity-tools: CVE-2020-13959

[Salvatore Bonaccorso]

Source: velocity-tools
Version: 2.0-7
Severity: important
Tags: security upstream
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for velocity-tools.

CVE-2020-13959[0]:
| The default error page for VelocityView in Apache Velocity Tools prior
| to 3.1 reflects back the vm file that was entered as part of the URL.
| An attacker can set an XSS payload file as this vm file in the URL
| which results in this payload being executed. XSS vulnerabilities
| allow attackers to execute arbitrary JavaScript in the context of the
| attacked website and the attacked user. This can be abused to steal
| session cookies, perform requests in the name of the victim or for
| phishing attacks.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2020-13959
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-13959
[1] https://www.openwall.com/lists/oss-security/2021/03/10/2

Regards,
Salvatore