OpenSUSE Linux update for python-PyYAML



Published: 2020-04-12
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2020-1747
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Opensuse
Operating systems & Components / Operating system

Vendor Novell

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Input validation error

EUVDB-ID: #VU25823

Risk: High

CVSSv3.1:

CVE-ID: CVE-2020-1747

CWE-ID: CWE-20 - Improper Input Validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to insufficient validation of user-supplied input when processing untrusted YAML files passed via the "full_load" method or with the "FullLoader" loader. A remote attacker can pass specially crafted input to the application and execute arbitrary code by abusing the python/object/new constructor.

Mitigation

Update the affected packages.

Vulnerable software versions

Opensuse: 15.1


CPE2.3 External links

http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00017.html

Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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