mruby: CVE-2022-1212 - Use-After-Free in str_escape

Related Vulnerabilities: CVE-2022-1212  

Debian Bug report logs - #1009044
mruby: CVE-2022-1212 - Use-After-Free in str_escape

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Reported by: Neil Williams <codehelp@debian.org>

Date: Wed, 6 Apr 2022 13:33:02 UTC

Severity: important

Tags: fixed-upstream, security, upstream

Found in version mruby/3.0.0-3

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Report forwarded to debian-bugs-dist@lists.debian.org, codehelp@debian.org, team@security.debian.org, Nobuhiro Iwamatsu <iwamatsu@debian.org>:
Bug#1009044; Package src:mruby. (Wed, 06 Apr 2022 13:33:03 GMT) (full text, mbox, link).


Acknowledgement sent to Neil Williams <codehelp@debian.org>:
New Bug report received and forwarded. Copy sent to codehelp@debian.org, team@security.debian.org, Nobuhiro Iwamatsu <iwamatsu@debian.org>. (Wed, 06 Apr 2022 13:33:04 GMT) (full text, mbox, link).


Message #5 received at submit@bugs.debian.org (full text, mbox, reply):

From: Neil Williams <codehelp@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: mruby: CVE-2022-1212 - Use-After-Free in str_escape
Date: Wed, 06 Apr 2022 14:28:54 +0100
Source: mruby
Version: 3.0.0-3
Severity: important
Tags: security
X-Debbugs-Cc: codehelp@debian.org, Debian Security Team <team@security.debian.org>

The following vulnerability was published for mruby.

CVE-2022-1212[0]:
| Use-After-Free in str_escape in mruby/mruby in GitHub repository
| mruby/mruby prior to 3.2. Possible arbitrary code execution if being
| exploited.


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-2022-1212
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2022-1212

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 5.16.0-6-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



Added tag(s) fixed-upstream and upstream. Request was from Salvatore Bonaccorso <carnil@debian.org> to control@bugs.debian.org. (Wed, 06 Apr 2022 18:51:04 GMT) (full text, mbox, link).


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