CVE-2018-20574

2022-10-0316:22:04

Debian Security Bug Tracker

security-tracker.debian.org

cve-2018-20574

denial of service

stack consumption

application crash

crafted yaml file

unix

4.3 Medium

CVSS2

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:N/C:N/I:N/A:P

6.5 Medium

CVSS3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

0.002 Low

EPSS

Percentile

51.5%

JSON

The SingleDocParser::HandleFlowMap function in yaml-cpp (aka LibYaml-C++) 0.6.2 allows remote attackers to cause a denial of service (stack consumption and application crash) via a crafted YAML file.

OSVersionArchitecturePackageVersionFilename
Debian12allyaml-cpp< 0.6.3-1yaml-cpp_0.6.3-1_all.deb
Debian11allyaml-cpp< 0.6.3-1yaml-cpp_0.6.3-1_all.deb
Debian999allyaml-cpp< 0.6.3-1yaml-cpp_0.6.3-1_all.deb
Debian13allyaml-cpp< 0.6.3-1yaml-cpp_0.6.3-1_all.deb

OS	Version	Architecture	Package	Version	Filename
Debian	12	all	yaml-cpp	< 0.6.3-1	yaml-cpp_0.6.3-1_all.deb
Debian	11	all	yaml-cpp	< 0.6.3-1	yaml-cpp_0.6.3-1_all.deb
Debian	999	all	yaml-cpp	< 0.6.3-1	yaml-cpp_0.6.3-1_all.deb
Debian	13	all	yaml-cpp	< 0.6.3-1	yaml-cpp_0.6.3-1_all.deb