Denial of service in IBM AIX - CVE-2017-6464
Published: July 10, 2017
Vulnerability identifier: #VU7390
CSH Severity: Medium
CVSS v4: 7.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2017-6464
CWE-ID: CWE-20
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote authenticated attacker to cause DoS condition.
The weakness exists due to improper input validation. A remote attacker can use malformed mode configuration directive to trigger memory corruption and cause the system to crash.
Successful exploitation of the vulnerability results in denial of service.
The weakness exists due to improper input validation. A remote attacker can use malformed mode configuration directive to trigger memory corruption and cause the system to crash.
Successful exploitation of the vulnerability results in denial of service.
Affected software
IBM AIX
Amazon Linux AMI
Red Hat Enterprise Linux Server
Red Hat Enterprise Linux Workstation
Red Hat Enterprise Linux Desktop
Red Hat Enterprise Linux for IBM z Systems
Red Hat Enterprise Linux for Scientific Computing
Red Hat Enterprise Linux for Power
Junos OS
Slackware Linux
Fedora
Junos OS Evolved
ntp
How to mitigate CVE-2017-6464
Install update from vendor's website.
Junos OS - addressed in versions 12.3X48-D95, 12.3R12-S15, 14.1X53-D53, 15.1x49-D190, 15.1R7-S6, 16.1R7-S6, 16.2R3, 17.1R2-S11, 17.1R3-S1, 17.2R1-S9, 17.2R2-S8, 17.2R3-S3, 17.3R2-S5, 17.3R3-S6, 17.4R2-S7, 17.4R3, 18.1R3-S8, 18.2R2-S7, 18.2R3-S1, 18.3R1-S5, 18.3R2-S2, 18.3R3, 18.4R1-S4, 18.4R2-S1, 18.4R3, 19.1R1-S3, 19.1R2, 19.2R1-S1, 19.2R2, 19.3R1
ntp - addressed in versions 4.2.6p5-44.fc24, 4.2.6p5-44.fc25, 4.2.8p10-1.fc26
Junos OS Evolved - update to 20.1R1-EVO
ntp - addressed in versions 4.2.6p5-44.fc24, 4.2.6p5-44.fc25, 4.2.8p10-1.fc26
Junos OS Evolved - update to 20.1R1-EVO