7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.2 High
AI Score
Confidence
High
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.0004 Low
EPSS
Percentile
5.4%
zsh through version 5.4.2 is vulnerable to a stack-based buffer overflow in the utils.c:checkmailpath function. A local attacker could exploit this to execute arbitrary code in the context of another user.
CPE | Name | Operator | Version |
---|---|---|---|
zsh | eq | zsh-4.2.0 | |
zsh | eq | zsh-5.0.3 | |
zsh | eq | zsh-4.1.0-dev-1 | |
zsh | eq | zsh-5.0.5 | |
zsh | eq | zsh-5.1.1-test-1 | |
zsh | eq | zsh-3.1.6-dev-21 | |
zsh | eq | zsh-4.3.10-test-3 | |
zsh | eq | zsh-5.2-test-3 | |
zsh | eq | zsh-4.3.14 | |
zsh | eq | zsh-4.1.0-dev-4 |
access.redhat.com/errata/RHSA-2018:1932
access.redhat.com/errata/RHSA-2018:3073
bugzilla.redhat.com/show_bug.cgi?id=1563395
lists.debian.org/debian-lts-announce/2020/12/msg00000.html
security.gentoo.org/glsa/201805-10
sourceforge.net/p/zsh/code/ci/31f72205630687c1cef89347863aab355296a27f/
usn.ubuntu.com/3764-1/
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
9.2 High
AI Score
Confidence
High
7.2 High
CVSS2
Access Vector
LOCAL
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:L/AC:L/Au:N/C:C/I:C/A:C
0.0004 Low
EPSS
Percentile
5.4%