Buffer overflow in file



| Updated: 2020-08-08
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-1000249
CWE-ID CWE-119
Exploitation vector Local
Public exploit N/A
Vulnerable software
 file
Universal components / Libraries / Libraries used by multiple products

Vendor Ian F. Darwin

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU38300

Risk: Low

CVSSv4.0: 4.3 [CVSS:4.0/AV:L/AC:L/AT:N/PR:L/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2017-1000249

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a local authenticated user to manipulate data.

An issue in file() was introduced in commit 9611f31313a93aa036389c5f3b15eea53510d4d1 (Oct 2016) lets an attacker overwrite a fixed 20 bytes stack buffer with a specially crafted .notes section in an ELF binary. This was fixed in commit 35c94dc6acc418f1ad7f6241a6680e5327495793 (Aug 2017).

Mitigation

Install update from vendor's website.

Vulnerable software versions

file: 5.29

CPE2.3 External links

https://www.debian.org/security/2017/dsa-3965
https://github.com/file/file/commit/35c94dc6acc418f1ad7f6241a6680e5327495793
https://github.com/file/file/commit/9611f31313a93aa036389c5f3b15eea53510d4d
https://security.gentoo.org/glsa/201710-02


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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