CVE-2021-0255

Description

A local privilege escalation vulnerability in ethtraceroute of Juniper Networks Junos OS may allow a locally authenticated user with shell access to escalate privileges and write to the local filesystem as root. ethtraceroute is shipped with setuid permissions enabled and is owned by the root user, allowing local users to run ethtraceroute with root privileges. This issue affects Juniper Networks Junos OS: 15.1X49 versions prior to 15.1X49-D240; 17.3 versions prior to 17.3R3-S11, 17.4 versions prior to 17.4R3-S4; 18.1 versions prior to 18.1R3-S12; 18.2 versions prior to 18.2R3-S7; 18.3 versions prior to 18.3R3-S4; 18.4 versions prior to 18.4R2-S7; 19.1 versions prior to 19.1R1-S6, 19.1R2-S2, 19.1R3-S4; 19.3 versions prior to 19.3R3-S2; 19.4 versions prior to 19.4R3-S1; 20.1 versions prior to 20.1R2, 20.1R3; 20.2 versions prior to 20.2R2-S1, 20.2R3; 20.3 versions prior to 20.3R1-S1.

Risk Information

Base Score
7.8
MODERATE
Vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
EPSS Score
Exploitation Probability
0.021

Associated Vulnerability

VulnerabilityOS Platform
Multiple Vulnerabilities are fixed in junos 17.3R3-S12NCM
Vulnerabilities CVE-2021-0224,CVE-2021-0254,CVE-2021-0255,CVE-2021-0256 are fixed in junos 17.4R2-S13NCM
Multiple Vulnerabilities are fixed in junos 18.1R3-S12NCM
Vulnerabilities CVE-2021-0254,CVE-2021-0255,CVE-2021-0256,CVE-2021-0259 are fixed in junos 18.2R2-S8NCM
Multiple Vulnerabilities are fixed in junos 18.3R3-S4NCM
Vulnerabilities CVE-2021-0255,CVE-2021-0256 are fixed in junos 18.4R2-S7NCM
Multiple Vulnerabilities are fixed in junos 19.1R3-S4NCM
Multiple Vulnerabilities are fixed in junos 19.2R3-S2NCM
Multiple Vulnerabilities are fixed in junos 19.3R3-S2NCM
Multiple Vulnerabilities are fixed in junos 19.4R3-S2NCM
Multiple Vulnerabilities are fixed in junos 20.1R2NCM
Vulnerabilities CVE-2021-0235,CVE-2021-0255,CVE-2021-0256 are fixed in junos 20.2R2-S1NCM
Vulnerabilities CVE-2021-0255,CVE-2021-0256,CVE-2021-0257 are fixed in junos 20.3R1-S1NCM
Multiple Vulnerabilities are fixed in junos 20.4R2.NCM
Execution with Unnecessary Privileges Vulnerability (CVE-2021-0255)NCM

Patch Details

Click to see the patches provided by ManageEngine for this CVE
Patch IDPatch Description
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1
PATCH-1704488Security Update for junos 9.2r1

References

https://nvd.nist.gov/vuln/detail/CVE-2023-1234
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2023-1234