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Juniper Junos OS: 2021-01 Security Bulletin: Junos OS: Multiple Local Privilege Escalation vulnerabilities in SUID binaries (JSA11114) (multiple CVEs)

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Juniper Junos OS: 2021-01 Security Bulletin: Junos OS: Multiple Local Privilege Escalation vulnerabilities in SUID binaries (JSA11114) (multiple CVEs)

Severity
7
CVSS
(AV:L/AC:L/Au:N/C:C/I:C/A:C)
Published
01/14/2021
Created
01/15/2021
Added
01/14/2021
Modified
03/21/2022

Description

A local privilege escalation vulnerability in telnetd.real of Juniper Networks Junos OS may allow a locally authenticated shell user to escalate privileges and execute arbitrary commands as root. telnetd.real is shipped with setuid permissions enabled and is owned by the root user, allowing local users to run telnetd.real with root privileges. This issue affects Juniper Networks Junos OS: all versions prior to 15.1R7-S9; 17.3 versions prior to 17.3R3-S11; 17.4 versions prior to 17.4R2-S12, 17.4R3-S3; 18.1 versions prior to 18.1R3-S11; 18.2 versions prior to 18.2R3-S6; 18.3 versions prior to 18.3R2-S4, 18.3R3-S4; 18.4 versions prior to 18.4R2-S7, 18.4R3-S6; 19.1 versions prior to 19.1R2-S2, 19.1R3-S4; 19.2 versions prior to 19.2R1-S6, 19.2R3-S1; 19.3 versions prior to 19.3R3-S1; 19.4 versions prior to 19.4R2-S2, 19.4R3; 20.1 versions prior to 20.1R1-S4, 20.1R2; 20.2 versions prior to 20.2R2.

Solution(s)

  • juniper-junos-os-upgrade-latest

References

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