CVE-2021-33477

CVSS V2 Medium 6.5 CVSS V3 High 8.8
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.
Overview
  • CVE ID
  • CVE-2021-33477
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-05-20T20:15:07
  • Last Modified Date
  • 2022-10-28T12:56:28
Weakness Enumerations
CWE URL
CWE-755 http://cwe.mitre.org/data/definitions/755.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:eterm_project:eterm:0.9.7:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:mrxvt_project:mrxvt:0.5.4:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:rxvt-unicode_project:rxvt-unicode:9.22:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:rxvt_project:rxvt:2.7.10:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:* 1 OR
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:S/C:P/I:P/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • SINGLE
  • Confidentiality Impact
  • PARTIAL
  • Integrity Impact
  • PARTIAL
  • Availability Impact
  • PARTIAL
  • Base Score
  • 6.5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 8
  • Impact Score
  • 6.4
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • LOW
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • HIGH
  • Availability Impact
  • HIGH
  • Base Score
  • 8.8
  • Base Severity
  • HIGH
  • Exploitability Score
  • 2.8
  • Impact Score
  • 5.9
References
Reference URL Reference Tags
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@lists.fedoraproject.org/message/6RFMU5YXXNYYVA7G2DAHRXXHO6JKVFUT/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/AO52OLNOOKOCZSJCN3R7Q25XA32BWNWP/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/DUV4LDVZVW7KCGPAMFZD4ZJ4FVLPOX4C/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/NZWGE2RJONBEHSPCBUAW72NTRTIFKZAX/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SLPVEPBH37EBR4R54RMC6GD33J37HJXD/ Mailing List Third Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/UXAKO6N6NKTR6Z6KVAPEXSZQMRU52SGA/ Mailing List Third Party Advisory
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
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-33477
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-33477
History
Created Old Value New Value Data Type Notes
2022-05-10 06:29:28 Added to TrackCVE
2022-12-05 02:43:46 2021-05-20T20:15Z 2021-05-20T20:15:07 CVE Published Date updated
2022-12-05 02:43:46 2022-10-28T12:56:28 CVE Modified Date updated
2022-12-05 02:43:46 Analyzed Vulnerability Status updated
2022-12-05 02:43:51 References updated