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CVE PROGRAM SOURCE RECORD7.8 High

CVE-2021-0223

Junos OS: telnetd.real Local Privilege Escalation vulnerabilities in SUID binaries

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Status
Published
Published
Updated
Assigning organization
juniper

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

Juniper Networks Junos OS

  • unspecified to < 15.1R7-S9affected
  • 17.3 to < 17.3R3-S11affected
  • 17.4 to < 17.4R2-S12, 17.4R3-S3affected
  • 18.1 to < 18.1R3-S11affected
  • 18.2 to < 18.2R3-S6affected
  • 18.3 to < 18.3R2-S4, 18.3R3-S4affected
  • 18.4 to < 18.4R2-S7, 18.4R3-S6affected
  • 19.1 to < 19.1R2-S2, 19.1R3-S4affected
  • 19.2 to < 19.2R1-S6, 19.2R3-S1affected
  • 19.3 to < 19.3R3-S1affected
  • 19.4 to < 19.4R2-S2, 19.4R3affected
  • 20.1 to < 20.1R1-S4, 20.1R2affected
  • 20.2 to < 20.2R2affected

References