Amazon Linux AMI update for pigz

1) Path traversal

EUVDB-ID: #VU40931

Risk: Medium

CVSSv3.1: 4.6 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2015-1191

CWE-ID: CWE-22 - Improper Limitation of a Pathname to a Restricted Directory ('Path Traversal')

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

Multiple directory traversal vulnerabilities in pigz 2.3.1 allow remote attackers to write to arbitrary files via a (1) full pathname or (2) .. (dot dot) in an archive.

Mitigation

Update the affected packages:

i686:
    pigz-2.3.3-1.6.amzn1.i686
    pigz-debuginfo-2.3.3-1.6.amzn1.i686

src:
    pigz-2.3.3-1.6.amzn1.src

x86_64:
    pigz-2.3.3-1.6.amzn1.x86_64
    pigz-debuginfo-2.3.3-1.6.amzn1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

External links

http://alas.aws.amazon.com/ALAS-2015-499.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.