SB2018031214 - Red Hat update for Red Hat Enterprise MRG Realtime 2.5
Published: March 12, 2018
Security Bulletin ID
SB2018031214
Severity
Medium
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Heap out-of-bounds write (CVE-ID: CVE-2018-5332)
The vulnerability allows a local attacker to cause DoS condition on the target system.The weakness exists in the rds_message_alloc_sgs() function due to improper validation of DMA page allocation values. A local attacker can trigger a heap-based out-of-bounds write and cause the system to crash.
2) Null pointer dereference (CVE-ID: CVE-2018-5333)
The vulnerability allows a remote attacker to cause DoS condition on the target system.The weakness exists in the rds_cmsg_atomic function due to insufficient handling of user-supplied input. A remote attacker can send a specially crafted HTTP request, trigger NULL pointer dereference and cause the system to crash.
Remediation
Install update from vendor's website.