Detections
Analytics

CVE-2021-33477

high

Description

rxvt-unicode 9.22, rxvt 2.7.10, mrxvt 0.5.4, and Eterm 0.9.7 allow (potentially remote) code execution because of improper handling of certain escape sequences (ESC G Q). A response is terminated by a newline.

References

https://www.openwall.com/lists/oss-security/2017/05/01/20

https://sourceforge.net/projects/rxvt/files/rxvt-dev/

https://sourceforge.net/projects/materm/files/mrxvt%20source/

https://security.gentoo.org/glsa/202209-07

https://security.gentoo.org/glsa/202105-17

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXAKO6N6NKTR6Z6KVAPEXSZQMRU52SGA/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLPVEPBH37EBR4R54RMC6GD33J37HJXD/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZWGE2RJONBEHSPCBUAW72NTRTIFKZAX/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DUV4LDVZVW7KCGPAMFZD4ZJ4FVLPOX4C/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AO52OLNOOKOCZSJCN3R7Q25XA32BWNWP/

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6RFMU5YXXNYYVA7G2DAHRXXHO6JKVFUT/

https://lists.debian.org/debian-lts-announce/2021/06/msg00012.html

https://lists.debian.org/debian-lts-announce/2021/06/msg00011.html

https://lists.debian.org/debian-lts-announce/2021/06/msg00010.html

https://lists.debian.org/debian-lts-announce/2021/05/msg00026.html

https://git.enlightenment.org/apps/eterm.git/log/

http://cvs.schmorp.de/rxvt-unicode/src/command.C?r1=1.582&r2=1.583

http://cvs.schmorp.de/rxvt-unicode/Changes?view=log

https://www.openwall.com/lists/oss-security/2021/05/17/1

https://packetstormsecurity.com/files/162621/rxvt-2.7.0-rxvt-unicode-9.22-Code-Execution.html

Details

Source: Mitre, NVD

Published: 2021-05-20

Updated: 2024-11-21

Risk Information

CVSS v2

Base Score: 6.5

Vector: CVSS2#AV:N/AC:L/Au:S/C:P/I:P/A:P

Severity: Medium

CVSS v3

Base Score: 8.8

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

Severity: High

EPSS

EPSS: 0.00225