SB2018071608 - Remote denial of service in rpcbind in Juniper Junos OS
Published: July 16, 2018 Updated: January 10, 2019
Security Bulletin ID
SB2018071608
Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Use-after-free (CVE-ID: CVE-2015-7236)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to use-after-free error in xprt_set_caller() function in rpcb_svc_com.c in rpcbind 0.2.1 and earlier. A remote attacker can cause a denial of service (daemon crash) via specially crafted packets that involve PMAP_CALLIT code.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.