Vulnerability 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 Score
HIGH
Affected Products
| Vendor | Product | Versions |
|---|---|---|
| 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 |
| Debian | Debian Linux | 9.0 |
Related Weaknesses (CWE)
References
- http://cvs.schmorp.de/rxvt-unicode/Changes?view=logThird Party Advisory
- http://cvs.schmorp.de/rxvt-unicode/src/command.C?r1=1.582&r2=1.583PatchThird Party Advisory
- https://git.enlightenment.org/apps/eterm.git/log/Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/05/msg00026.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00010.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00011.htmlMailing ListThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/06/msg00012.htmlMailing ListThird Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro
- https://packetstormsecurity.com/files/162621/rxvt-2.7.0-rxvt-unicode-9.22-Code-EExploitThird Party AdvisoryVDB Entry
- https://security.gentoo.org/glsa/202105-17Third Party Advisory
FAQ
What is CVE-2021-33477?
CVE-2021-33477 is a vulnerability with a CVSS score of 8.8 (HIGH). 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...
How severe is CVE-2021-33477?
CVE-2021-33477 has been rated HIGH with a CVSS base score of 8.8/10. Review the CVSS metrics above for detailed severity breakdown.
Is there a patch for CVE-2021-33477?
Check the references section above for vendor advisories and patch information. Affected products include: Eterm Project Eterm, Mrxvt Project Mrxvt, Rxvt-Unicode Project Rxvt-Unicode, Rxvt Project Rxvt, Fedoraproject Fedora.