CVE-2021-33477 Information
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.
CVSS Vector
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Reference
https://git.enlightenment.org/apps/eterm.git/log/ https://www.openwall.com/lists/oss-security/2017/05/01/20 https://sourceforge.net/projects/rxvt/files/rxvt-dev/ http://cvs.schmorp.de/rxvt-unicode/src/command.C?r1=1.582&r2=1.583 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 https://sourceforge.net/projects/materm/files/mrxvt%20source/ http://cvs.schmorp.de/rxvt-unicode/Changes?view=log https://security.gentoo.org/glsa/202105-17 https://lists.debian.org/debian-lts-announce/2021/05/msg00026.html https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NZWGE2RJONBEHSPCBUAW72NTRTIFKZAX/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/6RFMU5YXXNYYVA7G2DAHRXXHO6JKVFUT/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SLPVEPBH37EBR4R54RMC6GD33J37HJXD/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UXAKO6N6NKTR6Z6KVAPEXSZQMRU52SGA/ 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@lists.fedoraproject.org/message/AO52OLNOOKOCZSJCN3R7Q25XA32BWNWP/ https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DUV4LDVZVW7KCGPAMFZD4ZJ4FVLPOX4C/
Attack Complexity
LOW
Privileges Required
LOW
User Interaction Required
LOW
Scope
NONE
Confidentiality Impact
UNCHANGED
Integrity Impact
HIGH
Availability Impact
HIGH
Base Score
HIGH
Base Severity
8.8
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