CVE-2021-27135

CRITICAL

9.8

Description

xterm before Patch #366 allows remote attackers to execute arbitrary code or cause a denial of service (segmentation fault) via a crafted UTF-8 combining character sequence.

CVE Details

CVSS v3.1 Score9.8

SeverityCRITICAL

CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack VectorNETWORK

ComplexityLOW

Privileges RequiredNONE

User InteractionNONE

Published2/10/2021

Last Modified11/21/2024

Sourcenvd

Honeypot Sightings0

Affected Products

debian:debian_linuxfedoraproject:fedorainvisible-island:xterm

References

http://seclists.org/fulldisclosure/2021/May/52(cve@mitre.org)

http://www.openwall.com/lists/oss-security/2021/02/10/7(cve@mitre.org)

https://access.redhat.com/security/cve/CVE-2021-27135(cve@mitre.org)

https://bugzilla.redhat.com/show_bug.cgi?id=1927559(cve@mitre.org)

https://bugzilla.suse.com/show_bug.cgi?id=1182091(cve@mitre.org)

https://github.com/ThomasDickey/xterm-snapshots/commit/82ba55b8f994ab30ff561a347b82ea340ba7075c(cve@mitre.org)

https://invisible-island.net/xterm/xterm.log.html(cve@mitre.org)

https://lists.debian.org/debian-lts-announce/2021/02/msg00019.html(cve@mitre.org)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/35LK2ZXEIJUOGOA7FV2TJL3L6LFJ4X5S/(cve@mitre.org)

https://news.ycombinator.com/item?id=26524650(cve@mitre.org)

https://security.gentoo.org/glsa/202208-22(cve@mitre.org)

https://www.openwall.com/lists/oss-security/2021/02/09/7(cve@mitre.org)

https://www.openwall.com/lists/oss-security/2021/02/09/9(cve@mitre.org)

http://seclists.org/fulldisclosure/2021/May/52(af854a3a-2127-422b-91ae-364da2661108)

http://www.openwall.com/lists/oss-security/2021/02/10/7(af854a3a-2127-422b-91ae-364da2661108)

https://access.redhat.com/security/cve/CVE-2021-27135(af854a3a-2127-422b-91ae-364da2661108)

https://bugzilla.redhat.com/show_bug.cgi?id=1927559(af854a3a-2127-422b-91ae-364da2661108)

https://bugzilla.suse.com/show_bug.cgi?id=1182091(af854a3a-2127-422b-91ae-364da2661108)

https://github.com/ThomasDickey/xterm-snapshots/commit/82ba55b8f994ab30ff561a347b82ea340ba7075c(af854a3a-2127-422b-91ae-364da2661108)

https://invisible-island.net/xterm/xterm.log.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.debian.org/debian-lts-announce/2021/02/msg00019.html(af854a3a-2127-422b-91ae-364da2661108)

https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/35LK2ZXEIJUOGOA7FV2TJL3L6LFJ4X5S/(af854a3a-2127-422b-91ae-364da2661108)

https://news.ycombinator.com/item?id=26524650(af854a3a-2127-422b-91ae-364da2661108)

https://security.gentoo.org/glsa/202208-22(af854a3a-2127-422b-91ae-364da2661108)

https://www.openwall.com/lists/oss-security/2021/02/09/7(af854a3a-2127-422b-91ae-364da2661108)

https://www.openwall.com/lists/oss-security/2021/02/09/9(af854a3a-2127-422b-91ae-364da2661108)

IOC Correlations

No correlations recorded

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