Resource management error in libarchive (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-7166
CWE-ID CWE-399
Exploitation vector Local
Public exploit N/A
Vulnerable software
libarchive (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Resource management error

EUVDB-ID: #VU33066

Risk: Low

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2016-7166

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a local non-authenticated attacker to perform a denial of service (DoS) attack.

libarchive before 3.2.0 does not limit the number of recursive decompressions, which allows remote attackers to cause a denial of service (memory consumption and application crash) via a crafted gzip file.

Mitigation

Install update from vendor's website.

Vulnerable software versions

libarchive (Alpine package): 3.0.2-r0 - 3.2.0-r0

CPE2.3 External links

http://git.alpinelinux.org/aports/commit/?id=87822f4ac4adaaafbbee3ffe58ab6eebdc12907e
http://git.alpinelinux.org/aports/commit/?id=5ba95943165e8352e1ad40a3184506459bae0d11
http://git.alpinelinux.org/aports/commit/?id=9ade53deffe551b45b9ac472b5d6ea0217f15a12


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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