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.

Summary:

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.

Reference Links(if available):

  • 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
  • CVSS Score (if available)

    v2: / MEDIUMAV:N/AC:L/Au:S/C:P/I:P/A:P

    v3: / HIGHCVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

    Links to Exploits(if available)