Denial of service in elfutils



Published: 2018-03-21
Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-8769
CWE-ID CWE-126
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
Subscribe 		elfutils
Server applications / File servers (FTP/HTTP)

Vendor Sourceware

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Buffer over-read

EUVDB-ID: #VU11184

Risk: Low

CVSSv3.1: 4.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C]

CVE-ID: CVE-2018-8769

CWE-ID: CWE-126 - Buffer over-read

Exploit availability: No

Description

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

The weakness exists in the ebl_dynamic_tag_name function due to buffer over-read. A remote attacker can trigger memory corruption and cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

elfutils: 0.170

External links

http://sourceware.org/bugzilla/show_bug.cgi?id=22976


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

How the attacker can exploit this vulnerability?

The attacker would have to send a specially crafted request to the affected application in order to exploit this vulnerability.

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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