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CVE-2016-2338

CRITICAL

9.8

Description

An exploitable heap overflow vulnerability exists in the Psych::Emitter start_document function of Ruby. In Psych::Emitter start_document function heap buffer "head" allocation is made based on tags array length. Specially constructed object passed as element of tags array can increase this array size after mentioned allocation and cause heap overflow.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published9/29/2022

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

debian:debian_linuxruby-lang:ruby

Weaknesses (CWE)

CWE-787

References

http://www.talosintelligence.com/reports/TALOS-2016-0032/(cret@cert.org)

https://lists.debian.org/debian-lts-announce/2020/03/msg00032.html(cret@cert.org)

https://security.netapp.com/advisory/ntap-20221228-0005/(cret@cert.org)

http://www.talosintelligence.com/reports/TALOS-2016-0032/(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2020/03/msg00032.html(af854a3a-2127-422b-91ae-364da2661108)

https://security.netapp.com/advisory/ntap-20221228-0005/(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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