pyyaml: CVE-2020-14343

Related Vulnerabilities: CVE-2020-14343   CVE-2020-1747  

Debian Bug report logs - #966233
pyyaml: CVE-2020-14343

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Reported by: Salvatore Bonaccorso <carnil@debian.org>

Date: Sat, 25 Jul 2020 07:36:01 UTC

Severity: important

Tags: security, upstream

Found in version pyyaml/5.3.1-2

Forwarded to https://github.com/yaml/pyyaml/issues/420

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Report forwarded to debian-bugs-dist@lists.debian.org, carnil@debian.org, Debian Python Modules Team <python-modules-team@lists.alioth.debian.org>:
Bug#966233; Package src:pyyaml. (Sat, 25 Jul 2020 07:36:04 GMT) (full text, mbox, link).


Acknowledgement sent to Salvatore Bonaccorso <carnil@debian.org>:
New Bug report received and forwarded. Copy sent to carnil@debian.org, Debian Python Modules Team <python-modules-team@lists.alioth.debian.org>. (Sat, 25 Jul 2020 07:36:04 GMT) (full text, mbox, link).


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

From: Salvatore Bonaccorso <carnil@debian.org>
To: Debian Bug Tracking System <submit@bugs.debian.org>
Subject: pyyaml: CVE-2020-14343
Date: Sat, 25 Jul 2020 09:32:25 +0200
Source: pyyaml
Version: 5.3.1-2
Severity: important
Tags: security upstream
Forwarded: https://github.com/yaml/pyyaml/issues/420
X-Debbugs-Cc: Debian Security Team <team@security.debian.org>

Hi,

The following vulnerability was published for pyyaml.

CVE-2020-14343[0]:
| .load() and FullLoader still vulnerable to fairly trivial RCE

The CVE is for an incomplete fix of CVE-2020-1747, see [1].

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-2020-14343
    https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-14343
[1] https://github.com/yaml/pyyaml/issues/420

Regards,
Salvatore



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