CVEvulnerability
CVE-2021-33477
8.8 HIGH
Official page ↗
- Status
- Modified
- Published
- 2021-05-20
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 ([email protected])
- 8.8 HIGH — CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
- CVSS 2.0 ([email protected])
- 6.5 MEDIUM — AV:N/AC:L/Au:S/C:P/I:P/A:P
- Weaknesses
- CWE-755
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.
Affected configurations
• eterm project eterm 0.9.7
• mrxvt project mrxvt 0.5.4
• rxvt-unicode project rxvt-unicode 9.22
• rxvt project rxvt 2.7.10
• fedoraproject fedora 33
• fedoraproject fedora 34
• debian debian linux 9.0
Related
Weakness · CWE (1)
- CWE-755 Improper Handling of Exceptional Conditions weakness
References
- http://cvs.schmorp.de/rxvt-unicode/Changes?view=log Third Party Advisory
- http://cvs.schmorp.de/rxvt-unicode/src/command.C?r1=1.582&r2=1.583 Patch, Third Party Advisory
- https://git.enlightenment.org/apps/eterm.git/log/ Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/05/msg00026.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00010.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00011.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00012.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6RFMU5YXXNYYVA7G2DAHRXXHO6JKVFUT/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AO52OLNOOKOCZSJCN3R7Q25XA32BWNWP/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DUV4LDVZVW7KCGPAMFZD4ZJ4FVLPOX4C/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZWGE2RJONBEHSPCBUAW72NTRTIFKZAX/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLPVEPBH37EBR4R54RMC6GD33J37HJXD/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXAKO6N6NKTR6Z6KVAPEXSZQMRU52SGA/ lists.fedoraproject.org
- https://packetstormsecurity.com/files/162621/rxvt-2.7.0-rxvt-unicode-9.22-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/202105-17 Third Party Advisory
- https://security.gentoo.org/glsa/202209-07 Third Party Advisory
- https://sourceforge.net/projects/materm/files/mrxvt%20source/ Product, Third Party Advisory
- https://sourceforge.net/projects/rxvt/files/rxvt-dev/ Product, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2017/05/01/20 Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/05/17/1 Exploit, Mailing List, Third Party Advisory
- http://cvs.schmorp.de/rxvt-unicode/Changes?view=log Third Party Advisory
- http://cvs.schmorp.de/rxvt-unicode/src/command.C?r1=1.582&r2=1.583 Patch, Third Party Advisory
- https://git.enlightenment.org/apps/eterm.git/log/ Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/05/msg00026.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00010.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00011.html Mailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00012.html Mailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6RFMU5YXXNYYVA7G2DAHRXXHO6JKVFUT/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AO52OLNOOKOCZSJCN3R7Q25XA32BWNWP/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DUV4LDVZVW7KCGPAMFZD4ZJ4FVLPOX4C/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZWGE2RJONBEHSPCBUAW72NTRTIFKZAX/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLPVEPBH37EBR4R54RMC6GD33J37HJXD/ lists.fedoraproject.org
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXAKO6N6NKTR6Z6KVAPEXSZQMRU52SGA/ lists.fedoraproject.org
- https://packetstormsecurity.com/files/162621/rxvt-2.7.0-rxvt-unicode-9.22-Code-Execution.html Exploit, Third Party Advisory, VDB Entry
- https://security.gentoo.org/glsa/202105-17 Third Party Advisory
- https://security.gentoo.org/glsa/202209-07 Third Party Advisory
- https://sourceforge.net/projects/materm/files/mrxvt%20source/ Product, Third Party Advisory
- https://sourceforge.net/projects/rxvt/files/rxvt-dev/ Product, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2017/05/01/20 Mailing List, Third Party Advisory
- https://www.openwall.com/lists/oss-security/2021/05/17/1 Exploit, Mailing List, Third Party Advisory