CVE-2021-33477

  1. Reconshell
  2. Vulnerabilities (CVE)
  3. 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.

8.8 /10

CVSS v3.0 : HIGH

V3 Legend

Vector :

Exploitability : 2.8 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required LOW

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

6.5 /10

CVSS v2.0 : MEDIUM

V2 Legend

Vector : AV:N/AC:L/Au:S/C:P/I:P/A:P

Exploitability : 8.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication SINGLE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References
Link Resource
https://git.enlightenment.org/apps/eterm.git/log/ Third Party Advisory
https://www.openwall.com/lists/oss-security/2017/05/01/20 Mailing List Third Party Advisory
https://sourceforge.net/projects/rxvt/files/rxvt-dev/ Product Third Party Advisory
http://cvs.schmorp.de/rxvt-unicode/src/command.C?r1=1.582&r2=1.583 Patch Third Party Advisory
https://www.openwall.com/lists/oss-security/2021/05/17/1 Exploit 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://sourceforge.net/projects/materm/files/mrxvt%20source/ Product Third Party Advisory
http://cvs.schmorp.de/rxvt-unicode/Changes?view=log Third Party Advisory
https://security.gentoo.org/glsa/202105-17 Third Party Advisory
https://lists.debian.org/debian-lts-announce/2021/05/msg00026.html 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/6RFMU5YXXNYYVA7G2DAHRXXHO6JKVFUT/ 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://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/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://security.gentoo.org/glsa/202209-07 Third Party Advisory
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Configurations

Configuration 1 (hide)

OR cpe:2.3:a:eterm_project:eterm:0.9.7:*:*:*:*:*:*:*
cpe:2.3:a:mrxvt_project:mrxvt:0.5.4:*:*:*:*:*:*:*
cpe:2.3:a:rxvt_project:rxvt:2.7.10:*:*:*:*:*:*:*
cpe:2.3:a:rxvt-unicode_project:rxvt-unicode:9.22:*:*:*:*:*:*:*

Configuration 2 (hide)

OR cpe:2.3:o:fedoraproject:fedora:33:*:*:*:*:*:*:*
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*

Configuration 3 (hide)

cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
Information

Published : 2021-05-20 13:15

Updated : 2022-10-28 05:56

NVD link : CVE-2021-33477

Mitre link : CVE-2021-33477

JSON object : View

CWE
CWE-755

Improper Handling of Exceptional Conditions

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Products Affected

fedoraproject

  • fedora

rxvt_project

  • rxvt

debian

  • debian_linux

rxvt-unicode_project

  • rxvt-unicode

eterm_project

  • eterm

mrxvt_project

  • mrxvt