NULL pointer dereference in irssi (Alpine package)



Risk Medium
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2017-5193
CWE-ID CWE-476
Exploitation vector Network
Public exploit N/A
Vulnerable software
 irssi (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: #VU31438

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2017-5193

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 a message without a nick.

Mitigation

Install update from vendor's website.

Vulnerable software versions

irssi (Alpine package): 0.8.16-r0 - 0.8.20-r0

CPE2.3 External links

https://git.alpinelinux.org/aports/commit/?id=828362d38211c290826e1cf112f2c7737a3013c3
https://git.alpinelinux.org/aports/commit/?id=f8ff0d8865cb911e2659e0d67807186537e23411
https://git.alpinelinux.org/aports/commit/?id=d201020c777cf25cba9a0d9251eab530b3f74f44
https://git.alpinelinux.org/aports/commit/?id=219f93243fc1cdd463dd35c035fdb7c5c1325c37


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###