CVE-2021-33477Improper Handling of Exceptional Conditions in Eterm

Severity
8.8HIGHNVD
EPSS
1.2%
top 21.00%
CISA KEV
Not in KEV
Exploit
No known exploits
Timeline
PublishedMay 20
Latest updateMay 24

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:HExploitability: 2.8 | Impact: 5.9

Affected Packages8 packages

debiandebian/rxvt-unicode< eterm 0.9.6-6.1 (bookworm)
NVDrxvt_project/rxvt2.7.10

Also affects: Debian Linux 9.0, Fedora 33, 34

Patches

🔴Vulnerability Details

2
GHSA
GHSA-vm2c-wqqr-v3gc: rxvt-unicode 92022-05-24
OSV
CVE-2021-33477: rxvt-unicode 92021-05-20

📋Vendor Advisories

1
Debian
CVE-2021-33477: eterm - rxvt-unicode 9.22, rxvt 2.7.10, mrxvt 0.5.4, and Eterm 0.9.7 allow (potentially ...2021