Vulnerability identifier: #VU215

Vulnerability risk: High

CVSSv3.1: 8.3 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2016-6250

CWE-ID: CWE-119

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
libarchive
Client/Desktop applications / Software for archiving
Oracle Linux
Operating systems & Components / Operating system

Vendor: libarchive
Oracle

Description
The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to boundary error in libarchive. A remote unauthenticated attacker can cause integer overflow by creating a file with a specially crafted filename that archived as an ISO9660 archive by the target application using libarchive.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation
Install the latest version: (3.2.1).

Vulnerable software versions

libarchive: 2.6.992 - 3.2.0

Oracle Linux: 7

---

External links
http://github.com/libarchive/libarchive/issues/711
http://www.oracle.com/technetwork/topics/security/linuxbulletinjul2016-3090544.html

---

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.