Out-of-bounds read in Tcpdump - CVE-2015-2154

 

Out-of-bounds read in Tcpdump - CVE-2015-2154

Published: August 3, 2017


Vulnerability identifier: #VU7687
CSH Severity: Medium
CVSS v4.0: 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/E:U/U:Green
CVE-ID: CVE-2015-2154
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability: No public exploit available
Vendor: Tcpdump.org
Affected software:
Tcpdump

Detailed vulnerability description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The weakness exists due to an error in the osi_print_cksum function in print-isoclns.c in the ethernet printer. A remote attacker can send a specially crafted length offset or base pointer checksum value, trigger out-of-bounds read and cause the system to crash.

Successful exploitation of the vulnerability results in denial of service.

How to mitigate CVE-2015-2154

Update to version 4.7.2 or later.

Sources