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OVAL Definitions
>
OVAL Definition Details
Id
oval:ru.altx-soft.nix:def:266677
[Eng]
Version
2
Class
vulnerability
ALTXid
499912
Language
Russian
Severity
Critical
Title
Уязвимость в jenkins-core до 2.442 (CVE-2024-23897)
Description
Jenkins has a built-in command line interface (CLI) to access Jenkins from a script or shell environment.Jenkins uses the args4j library to parse command arguments and options on the Jenkins controller when processing CLI commands. This command parser has a feature that replaces an @ character followed by a file path in an argument with the file’s contents (expandAtFiles). This feature is enabled by default and Jenkins 2.441 and earlier, LTS 2.426.2 and earlier does not disable it.This allows attackers to read arbitrary files on the Jenkins controller file system using the default character encoding of the Jenkins controller process.* Attackers with Overall/Read permission can read entire files.* Attackers without Overall/Read permission can read the first few lines of files. The number of lines that can be read depends on available CLI commands. As of publication of this advisory, the Jenkins security team has found ways to read the first three lines of files in recent releases of Jenkins without having any plugins installed, and has not identified any plugins that would increase this line count.Binary files containing cryptographic keys used for various Jenkins features can also be read, with some limitations (see note on binary files below). As of publication, the Jenkins security team has confirmed the following possible attacks in addition to reading contents of all files with a known file path. All of them leverage attackers' ability to obtain cryptographic keys from binary files, and are therefore only applicable to instances where that is feasible.
Family
unix
Product
jenkins-core
Reference
FSTEC: BDU:2024-00750
FSTEC: BDU:2024-00750
Id:
BDU:2024-00750
Reference:
https://bdu.fstec.ru/vul/2024-00750
CVE: CVE-2024-23897
CVE: CVE-2024-23897
Id:
CVE-2024-23897
Reference:
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2024-23897
Comment
: Jenkins 2.441 and earlier, LTS 2.426.2 and earlier does not disable a feature of its CLI command parser that replaces an '@' character followed by a file path in an argument with the file's contents, allowing unauthenticated attackers to read arbitrary files on the Jenkins controller file system.
CVSSv3 Score:
9.8
Attack vector:
NETWORK
Attack complexity:
LOW
Privileges required:
NONE
User interaction:
NONE
Scope:
UNCHANGED
Confidentiality impact:
HIGH
Integrity impact:
HIGH
Availability impact:
HIGH
CVSSv3 Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
References:
Jenkins Security Advisory 2024-01-24 ()
http://packetstormsecurity.com/files/176839/Jenkins-2.441-LTS-2.426.3-CVE-2024-23897-Scanner.html ()
http://packetstormsecurity.com/files/176840/Jenkins-2.441-LTS-2.426.3-Arbitrary-File-Read.html ()
http://www.openwall.com/lists/oss-security/2024/01/24/6 ()
3rdPartyLinux: Jar
3rdPartyLinux: Jar
Id:
Jar
Reference:
https://github.com/advisories?query=cve:CVE-2024-23897+type:reviewed+ecosystem:maven
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