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 High
AI Score
Confidence
High
4.4 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
33.7%
Issue Overview:
GNU Emacs through 28.2 allows attackers to execute commands via shell metacharacters in the name of a source-code file, because lib-src/etags.c uses the system C library function in its implementation of the ctags program. For example, a victim may use the “ctags *” command (suggested in the ctags documentation) in a situation where the current working directory has contents that depend on untrusted input. (CVE-2022-45939)
Affected Packages:
emacs
Note:
This advisory is applicable to Amazon Linux 2 (AL2) Core repository. Visit this FAQ section for the difference between AL2 Core and AL2 Extras advisories.
Issue Correction:
Run yum update emacs to update your system.
New Packages:
aarch64:
emacs-27.2-4.amzn2.0.2.aarch64
emacs-lucid-27.2-4.amzn2.0.2.aarch64
emacs-nox-27.2-4.amzn2.0.2.aarch64
emacs-common-27.2-4.amzn2.0.2.aarch64
emacs-devel-27.2-4.amzn2.0.2.aarch64
emacs-debuginfo-27.2-4.amzn2.0.2.aarch64
i686:
emacs-27.2-4.amzn2.0.2.i686
emacs-lucid-27.2-4.amzn2.0.2.i686
emacs-nox-27.2-4.amzn2.0.2.i686
emacs-common-27.2-4.amzn2.0.2.i686
emacs-devel-27.2-4.amzn2.0.2.i686
emacs-debuginfo-27.2-4.amzn2.0.2.i686
noarch:
emacs-terminal-27.2-4.amzn2.0.2.noarch
emacs-filesystem-27.2-4.amzn2.0.2.noarch
src:
emacs-27.2-4.amzn2.0.2.src
x86_64:
emacs-27.2-4.amzn2.0.2.x86_64
emacs-lucid-27.2-4.amzn2.0.2.x86_64
emacs-nox-27.2-4.amzn2.0.2.x86_64
emacs-common-27.2-4.amzn2.0.2.x86_64
emacs-devel-27.2-4.amzn2.0.2.x86_64
emacs-debuginfo-27.2-4.amzn2.0.2.x86_64
Red Hat: CVE-2022-45939
Mitre: CVE-2022-45939
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Amazon Linux | 2 | aarch64 | emacs | < 27.2-4.amzn2.0.2 | emacs-27.2-4.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | emacs-lucid | < 27.2-4.amzn2.0.2 | emacs-lucid-27.2-4.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | emacs-nox | < 27.2-4.amzn2.0.2 | emacs-nox-27.2-4.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | emacs-common | < 27.2-4.amzn2.0.2 | emacs-common-27.2-4.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | emacs-devel | < 27.2-4.amzn2.0.2 | emacs-devel-27.2-4.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | aarch64 | emacs-debuginfo | < 27.2-4.amzn2.0.2 | emacs-debuginfo-27.2-4.amzn2.0.2.aarch64.rpm |
Amazon Linux | 2 | i686 | emacs | < 27.2-4.amzn2.0.2 | emacs-27.2-4.amzn2.0.2.i686.rpm |
Amazon Linux | 2 | i686 | emacs-lucid | < 27.2-4.amzn2.0.2 | emacs-lucid-27.2-4.amzn2.0.2.i686.rpm |
Amazon Linux | 2 | i686 | emacs-nox | < 27.2-4.amzn2.0.2 | emacs-nox-27.2-4.amzn2.0.2.i686.rpm |
Amazon Linux | 2 | i686 | emacs-common | < 27.2-4.amzn2.0.2 | emacs-common-27.2-4.amzn2.0.2.i686.rpm |
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 High
AI Score
Confidence
High
4.4 Medium
CVSS2
Access Vector
LOCAL
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:L/AC:M/Au:N/C:P/I:P/A:P
0.001 Low
EPSS
Percentile
33.7%