NULL pointer dereference in krb5 (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2016-3120
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
krb5 (Alpine package)
Operating systems & Components / Operating system package or component

Vendor Alpine Linux Development Team

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) NULL pointer dereference

EUVDB-ID: #VU32240

Risk: Medium

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

CVE-ID: CVE-2016-3120

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

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

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via an S4U2Self request.

Mitigation

Install update from vendor's website.

Vulnerable software versions

krb5 (Alpine package): 1.13.2-r1 - 1.13.2-r2

CPE2.3 External links

http://git.alpinelinux.org/aports/commit/?id=291bdb084aa8137594ea6e32a91d1006ae0152a0
http://git.alpinelinux.org/aports/commit/?id=d6cac5661df8d1c9fa2cdae9942cd6f274712d7f
http://git.alpinelinux.org/aports/commit/?id=5dfc3609c83443f92ad4f2deb320e2e4e8a711bd
http://git.alpinelinux.org/aports/commit/?id=b1878b63835be923fb98d72c7ee9ad294dad20c5


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote authenticated user via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



###SIDEBAR###