Vulnerability Details CVE-2021-33477
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.
Exploit prediction scoring system (EPSS) score
EPSS Score 0.002
EPSS Ranking 45.1%
CVSS Severity
CVSS v3 Score 8.8
CVSS v2 Score 6.5
References
- http://cvs.schmorp.de/rxvt-unicode/Changes?view=log
- http://cvs.schmorp.de/rxvt-unicode/src/command.C?r1=1.582&r2=1.583
- https://git.enlightenment.org/apps/eterm.git/log/
- https://lists.debian.org/debian-lts-announce/2021/05/msg00026.html
- https://lists.debian.org/debian-lts-announce/2021/06/msg00010.html
- https://lists.debian.org/debian-lts-announce/2021/06/msg00011.html
- https://lists.debian.org/debian-lts-announce/2021/06/msg00012.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6RFMU5YXXNYYVA7G2DAHRXXHO6JKVFUT/
- 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/DUV4LDVZVW7KCGPAMFZD4ZJ4FVLPOX4C/
- 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/SLPVEPBH37EBR4R54RMC6GD33J37HJXD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXAKO6N6NKTR6Z6KVAPEXSZQMRU52SGA/
- https://packetstormsecurity.com/files/162621/rxvt-2.7.0-rxvt-unicode-9.22-Code-Execution.html
- https://security.gentoo.org/glsa/202105-17
- https://security.gentoo.org/glsa/202209-07
- https://sourceforge.net/projects/materm/files/mrxvt%20source/
- https://sourceforge.net/projects/rxvt/files/rxvt-dev/
- https://www.openwall.com/lists/oss-security/2017/05/01/20
- https://www.openwall.com/lists/oss-security/2021/05/17/1
- http://cvs.schmorp.de/rxvt-unicode/Changes?view=log
- http://cvs.schmorp.de/rxvt-unicode/src/command.C?r1=1.582&r2=1.583
- https://git.enlightenment.org/apps/eterm.git/log/
- https://lists.debian.org/debian-lts-announce/2021/05/msg00026.html
- https://lists.debian.org/debian-lts-announce/2021/06/msg00010.html
- https://lists.debian.org/debian-lts-announce/2021/06/msg00011.html
- https://lists.debian.org/debian-lts-announce/2021/06/msg00012.html
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6RFMU5YXXNYYVA7G2DAHRXXHO6JKVFUT/
- 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/DUV4LDVZVW7KCGPAMFZD4ZJ4FVLPOX4C/
- 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/SLPVEPBH37EBR4R54RMC6GD33J37HJXD/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXAKO6N6NKTR6Z6KVAPEXSZQMRU52SGA/
- https://packetstormsecurity.com/files/162621/rxvt-2.7.0-rxvt-unicode-9.22-Code-Execution.html
- https://security.gentoo.org/glsa/202105-17
- https://security.gentoo.org/glsa/202209-07
- https://sourceforge.net/projects/materm/files/mrxvt%20source/
- https://sourceforge.net/projects/rxvt/files/rxvt-dev/
- https://www.openwall.com/lists/oss-security/2017/05/01/20
- https://www.openwall.com/lists/oss-security/2021/05/17/1
Products affected by CVE-2021-33477
-
cpe:2.3:a:eterm_project:eterm:0.9.7
-
cpe:2.3:a:mrxvt_project:mrxvt:0.5.4
-
cpe:2.3:a:rxvt-unicode_project:rxvt-unicode:9.22
-
cpe:2.3:a:rxvt_project:rxvt:2.7.10
-
cpe:2.3:o:debian:debian_linux:9.0
-
cpe:2.3:o:fedoraproject:fedora:33
-
cpe:2.3:o:fedoraproject:fedora:34