#VU7689 Out-of-bounds read in Tcpdump - CVE-2015-0261

Vulnerability identifier: #VU7689

Vulnerability risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2015-0261

CWE-ID: CWE-125

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
Tcpdump
Server applications / DLP, anti-spam, sniffers

Vendor: Tcpdump.org

Description
The vulnerability allows a remote attacker to cause DoS condition or execute arbitrary code.

The weakness exists due to integer signedness error in the mobility_opt_print function in the IPv6 mobility printer A remote attacker can supply a negative length value, trigger out-of-bounds read, cause the system crash and possibly execute arbitrary code.

Successful exploitation of the vulnerability may result in system compromise

Mitigation
Update to version 4.7.2 or later.

Vulnerable software versions

Tcpdump: 4.1.1 - 4.7.0

---

External links
https://www.securitytracker.com/id/1039027

---

Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.