Segmentation fault in elfutils (Alpine package)



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2019-7665
CWE-ID CWE-20
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
elfutils (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) Segmentation fault

EUVDB-ID: #VU17718

Risk: Low

CVSSv4.0: 5.5 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear]

CVE-ID: CVE-2019-7665

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote attacker to cause DoS condition on the target system.

The vulnerability exists in the ebl_core_note function due to improper check if the values of a NT_PLATFORM core file note is a zero-terminated string. A remote attacker can trick the victim into opening an Executable and Linkable Format (ELF) file that submits malicious input, trigger a segmentation fault that causes the affected application to crash, resulting in a DoS condition. 

Mitigation

Install update from vendor's website.

Vulnerable software versions

elfutils (Alpine package): 0.168-r2

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=2e3d4976eeffb4704cf83e2cc3306293b7c7b2e9


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. However, proof of concept for this vulnerability is available.



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