Denial of service in GNU patch



Risk Low
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-6951
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Patch
Server applications / File servers (FTP/HTTP)

Vendor GNU

Security Bulletin

This security bulletin contains one low risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU11177

Risk: Low

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2018-6951

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The weakness exists in the intuit_diff_type function due to NULL pointer dereference. A remote attacker can cause the service to crash.

Mitigation

Install update from vendor's website.

Vulnerable software versions

Patch: 2.1.0 - 2.7.6

CPE2.3 External links

https://savannah.gnu.org/bugs/index.php?53132#comment0


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.



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