5.1 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:P/I:P/A:P
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.1 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
38.5%
Debian Security Advisory DSA-5078-1 [email protected]
https://www.debian.org/security/ Sebastien Delafond
February 16, 2022 https://www.debian.org/security/faq
Package : zsh
CVE ID : CVE-2021-45444
It was discovered that zsh, a powerful shell and scripting language,
did not prevent recursive prompt expansion. This would allow an
attacker to execute arbitrary commands into a user's shell, for
instance by tricking a vcs_info user into checking out a git branch
with a specially crafted name.
For the oldstable distribution (buster), this problem has been fixed
in version 5.7.1-1+deb10u1.
For the stable distribution (bullseye), this problem has been fixed in
version 5.8-6+deb11u1.
We recommend that you upgrade your zsh packages.
For the detailed security status of zsh please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/zsh
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 11 | mips64el | zsh-dbgsym | < 5.8-6+deb11u1 | zsh-dbgsym_5.8-6+deb11u1_mips64el.deb |
Debian | 10 | i386 | zsh-static-dbgsym | < 5.7.1-1+deb10u1 | zsh-static-dbgsym_5.7.1-1+deb10u1_i386.deb |
Debian | 10 | s390x | zsh-dev | < 5.7.1-1+deb10u1 | zsh-dev_5.7.1-1+deb10u1_s390x.deb |
Debian | 10 | all | zsh-doc | < 5.7.1-1+deb10u1 | zsh-doc_5.7.1-1+deb10u1_all.deb |
Debian | 9 | all | zsh-doc | < 5.3.1-4+deb9u5 | zsh-doc_5.3.1-4+deb9u5_all.deb |
Debian | 10 | i386 | zsh-static | < 5.7.1-1+deb10u1 | zsh-static_5.7.1-1+deb10u1_i386.deb |
Debian | 11 | arm64 | zsh-dev | < 5.8-6+deb11u1 | zsh-dev_5.8-6+deb11u1_arm64.deb |
Debian | 10 | armel | zsh-static | < 5.7.1-1+deb10u1 | zsh-static_5.7.1-1+deb10u1_armel.deb |
Debian | 9 | amd64 | zsh-dev | < 5.3.1-4+deb9u5 | zsh-dev_5.3.1-4+deb9u5_amd64.deb |
Debian | 10 | i386 | zsh-dbgsym | < 5.7.1-1+deb10u1 | zsh-dbgsym_5.7.1-1+deb10u1_i386.deb |
5.1 Medium
CVSS2
Attack Vector
NETWORK
Attack Complexity
HIGH
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:H/Au:N/C:P/I:P/A:P
7.8 High
CVSS3
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
8.1 High
AI Score
Confidence
High
0.001 Low
EPSS
Percentile
38.5%