Debian update for emacs



Published: 2023-02-26
Risk High
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2022-48337
CVE-2022-48338
CVE-2022-48339
CWE-ID CWE-78
Exploitation vector Network
Public exploit N/A
Vulnerable software
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Debian Linux
Operating systems & Components / Operating system

emacs (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) OS Command Injection

EUVDB-ID: #VU72573

Risk: High

CVSSv3.1:

CVE-ID: CVE-2022-48337

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation when parsing name of a source-code file in lib-src/etags.c. A remote attacker can trick the victim use the "etags -u *" command on the directory with attacker controlled content and execute arbitrary OS commands on the target system.


Mitigation

Update emacs package to version 1:27.1+1-3.1+deb11u2.

Vulnerable software versions

Debian Linux: All versions

emacs (Debian package): before 1:27.1+1-3.1+deb11u2


CPE2.3 External links

http://www.debian.org/security/2023/dsa-5360


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

2) OS Command Injection

EUVDB-ID: #VU72574

Risk: Low

CVSSv3.1:

CVE-ID: CVE-2022-48338

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a malicious gem to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation in the ruby-find-library-file() function. A malicious Ruby source file can execute arbitrary OS commands on the target system.


Mitigation

Update emacs package to version 1:27.1+1-3.1+deb11u2.

Vulnerable software versions

Debian Linux: All versions

emacs (Debian package): before 1:27.1+1-3.1+deb11u2


CPE2.3 External links

http://www.debian.org/security/2023/dsa-5360


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?

3) OS Command Injection

EUVDB-ID: #VU72575

Risk: High

CVSSv3.1:

CVE-ID: CVE-2022-48339

CWE-ID: CWE-78 - Improper Neutralization of Special Elements used in an OS Command ('OS Command Injection')

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.

The vulnerability exists due to improper input validation within the hfy-istext-command() function when parsing the "file" and "srcdir" parameters, if a file name or directory name contains shell metacharacter. A remote attacker can execute arbitrary OS commands on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update emacs package to version 1:27.1+1-3.1+deb11u2.

Vulnerable software versions

Debian Linux: All versions

emacs (Debian package): before 1:27.1+1-3.1+deb11u2


CPE2.3 External links

http://www.debian.org/security/2023/dsa-5360


Q & A

Can this vulnerability be exploited remotely?

Is there known malware, which exploits this vulnerability?



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