[DRE-maint] Bug#1010667: ruby-xmlhash: CVE-2022-21949 - Improper Restriction of XML External Entity Reference

[Neil Williams]

Source: ruby-xmlhash
Version: 1.3.6-2
Severity: important
Tags: security
X-Debbugs-Cc: codehelp at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for ruby-xmlhash.

CVE-2022-21949[0]:
| A Improper Restriction of XML External Entity Reference vulnerability
| in SUSE Open Build Service allows remote attackers to reference
| external entities in certain operations. This can be used to gain
| information from the server that can be abused to escalate to Admin
| privileges on OBS. This issue affects: SUSE Open Build Service Open
| Build Service versions prior to 2.10.13.

The vulnerable code is in https://github.com/coolo/xmlhash and is fixed
in version 1.3.8 of ruby-xmlhash.

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-2022-21949
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-21949

Please adjust the affected versions in the BTS as needed.


-- System Information:
Debian Release: bookworm/sid
  APT prefers unstable
  APT policy: (500, 'unstable'), (1, 'experimental')
Architecture: amd64 (x86_64)
Foreign Architectures: i386

Kernel: Linux 5.17.0-1-amd64 (SMP w/16 CPU threads; PREEMPT)
Locale: LANG=en_GB.UTF-8, LC_CTYPE=en_GB.UTF-8 (charmap=UTF-8), LANGUAGE=en_GB:en
Shell: /bin/sh linked to /usr/bin/dash
Init: systemd (via /run/systemd/system)
LSM: AppArmor: enabled