Resource exhaustion in Junos OS - CVE-2015-5358
Published: October 26, 2023
Vulnerability identifier: #VU82440
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2015-5358
CWE-ID: CWE-400
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to incorrect processing of active TCP sessions. A remote attacker can send a large number of requests that trigger a TCP connection to move to the LAST_ACK state when there is more data to send and consume all available mbufs, resulting in a denial of service condition.
Affected software
Junos OS
How to mitigate CVE-2015-5358
Install updates from vendor's website.
Junos OS - addressed in versions 12.1X44-D50, 12.1X46-D35, 12.1X47-D25, 12.3X48-D15, 12.3R9, 13.2X51-D35, 13.2X52-D25, 13.2R7, 13.3R6, 14.1X53-D12, 14.1X53-D16, 14.1X55-D25, 14.1R3-S2, 14.1R4, 14.2R2, 15.1R1