Denial of service in elfutils



Risk Low
Patch available NO
Number of vulnerabilities 1
CVE-ID CVE-2019-7148
CWE-ID CWE-400
Exploitation vector Network
Public exploit Public exploit code for vulnerability #1 is available.
Vulnerable software
 elfutils
Server applications / File servers (FTP/HTTP)

Vendor Sourceware

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) Resource exhaustion

EUVDB-ID: #VU17375

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-2019-7148

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists in the libelf component due to improper handling of Executable and Linkable Format (ELF) files by the read_long_names function, as defined in the elf_begin.c source code file. A remote attacker can trick the victim into accessing an ELF file that submits malicious input and cause the affected application to improperly allocate excessive memory resources, resulting in a DoS condition.

Mitigation

Cybersecurity Help in currently unaware of any official solution to address the vulnerability.

Vulnerable software versions

elfutils: 0.174

CPE2.3 External links

https://sourceware.org/bugzilla/show_bug.cgi?id=24085


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.



###SIDEBAR###