#VU13553 Security restrictions bypass in OpenBSD


Published: 2018-07-04

Vulnerability identifier: #VU13553

Vulnerability risk: Low

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:N/E:U/RL:O/RC:C]

CVE-ID: N/A

CWE-ID: CWE-264

Exploitation vector: Network

Exploit availability: No

Vulnerable software:
OpenBSD
Operating systems & Components / Operating system

Vendor: OpenBSD

Description

The vulnerability allows a remote attacker to bypass security restrictions on the target system.
The weakness exists due to unspecified flaw. A remote attacker can bypass security restrictions and cause Perl's Archive::Tar module to write files outside of its working directory.

Mitigation
Update to version 6.3.

Vulnerable software versions

OpenBSD: 5.7 - 6.2

External links
http://ftp.openbsd.org/pub/OpenBSD/patches/6.3/common/011_perl.patch.sig

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.


Latest bulletins with this vulnerability


Multiple vulnerabilities in OpenBSD