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    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.

    Published:May 20, 2021
    Last Modified:Nov 21, 2024
    EPS:May 20, 2021
    EPSS Score:0.00224
    CVSS Score:8.8

    Affected Products

    Vendor
    Debian
    Product
    Debian Linux
    Vendor
    Eterm Project
    Product
    Eterm
    Vendor
    Fedoraproject
    Product
    Fedora
    Vendor
    Mrxvt Project
    Product
    Mrxvt
    Vendor
    Rxvt-unicode Project
    Product
    Rxvt-unicode
    Vendor
    Rxvt Project
    Product
    Rxvt

    Exploits

    https://packetstormsecurity.com/files/162621/rxvt-2.7.0-rxvt-unicode-9.22-Code-Execution.htmlhttps://www.openwall.com/lists/oss-security/2021/05/17/1https://packetstormsecurity.com/files/162621/rxvt-2.7.0-rxvt-unicode-9.22-Code-Execution.htmlhttps://www.openwall.com/lists/oss-security/2021/05/17/1

    Common Attack Pattern Enumeration and Classification (CAPEC)

    No CAPEC recorded yet

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    References

    http://cvs.schmorp.de/rxvt-unicode/Changes?view=log
    http://cvs.schmorp.de/rxvt-unicode/src/command.C?r1=1.582&r2=1.583
    https://git.enlightenment.org/apps/eterm.git/log/
    https://lists.debian.org/debian-lts-announce/2021/05/msg00026.html
    https://lists.debian.org/debian-lts-announce/2021/06/msg00010.html
    https://lists.debian.org/debian-lts-announce/2021/06/msg00011.html
    https://lists.debian.org/debian-lts-announce/2021/06/msg00012.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6RFMU5YXXNYYVA7G2DAHRXXHO6JKVFUT/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AO52OLNOOKOCZSJCN3R7Q25XA32BWNWP/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DUV4LDVZVW7KCGPAMFZD4ZJ4FVLPOX4C/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZWGE2RJONBEHSPCBUAW72NTRTIFKZAX/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLPVEPBH37EBR4R54RMC6GD33J37HJXD/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXAKO6N6NKTR6Z6KVAPEXSZQMRU52SGA/
    https://packetstormsecurity.com/files/162621/rxvt-2.7.0-rxvt-unicode-9.22-Code-Execution.html
    https://security.gentoo.org/glsa/202105-17
    https://security.gentoo.org/glsa/202209-07
    https://sourceforge.net/projects/materm/files/mrxvt%20source/
    https://sourceforge.net/projects/rxvt/files/rxvt-dev/
    https://www.openwall.com/lists/oss-security/2017/05/01/20
    https://www.openwall.com/lists/oss-security/2021/05/17/1
    http://cvs.schmorp.de/rxvt-unicode/Changes?view=log
    http://cvs.schmorp.de/rxvt-unicode/src/command.C?r1=1.582&r2=1.583
    https://git.enlightenment.org/apps/eterm.git/log/
    https://lists.debian.org/debian-lts-announce/2021/05/msg00026.html
    https://lists.debian.org/debian-lts-announce/2021/06/msg00010.html
    https://lists.debian.org/debian-lts-announce/2021/06/msg00011.html
    https://lists.debian.org/debian-lts-announce/2021/06/msg00012.html
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/6RFMU5YXXNYYVA7G2DAHRXXHO6JKVFUT/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AO52OLNOOKOCZSJCN3R7Q25XA32BWNWP/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DUV4LDVZVW7KCGPAMFZD4ZJ4FVLPOX4C/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/NZWGE2RJONBEHSPCBUAW72NTRTIFKZAX/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SLPVEPBH37EBR4R54RMC6GD33J37HJXD/
    https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/UXAKO6N6NKTR6Z6KVAPEXSZQMRU52SGA/
    https://packetstormsecurity.com/files/162621/rxvt-2.7.0-rxvt-unicode-9.22-Code-Execution.html
    https://security.gentoo.org/glsa/202105-17
    https://security.gentoo.org/glsa/202209-07
    https://sourceforge.net/projects/materm/files/mrxvt%20source/
    https://sourceforge.net/projects/rxvt/files/rxvt-dev/
    https://www.openwall.com/lists/oss-security/2017/05/01/20
    https://www.openwall.com/lists/oss-security/2021/05/17/1

    Common Vulnerability Scoring System

    Attack Vector
    Network
    Adjacent
    Local
    Physical
    Privileges Required
    None
    Low
    High
    User Interaction
    None
    Required
    Scope
    Unchanged
    Changed
    Confidentiality
    None
    Low
    High
    Integrity
    None
    Low
    High
    Availability
    None
    Low
    High