Arch Linux update for linux-hardened



| Updated: 2019-04-21
Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-5391
CWE-ID CWE-20
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Arch Linux
Operating systems & Components / Operating system

Vendor Arch Linux

Security Bulletin

This security bulletin contains one medium risk vulnerability.

1) Improper input validation

EUVDB-ID: #VU14437

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-5391

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 due to an error when handling reassembly of fragmented IPv4 and IPv6 packets. A remote attacker can send specially crafted packets, trigger time and calculation expensive fragment reassembly algorithms and cause the service to crash.

Mitigation

Update the affected package linux-hardened to version 4.19.4.a-1.

Vulnerable software versions

Arch Linux: All versions

CPE2.3 External links

https://security.archlinux.org/advisory/ASA-201903-11


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.



###SIDEBAR###