Use-after-free error in irssi (Alpine package)
| Risk | High |
| Patch available | YES |
| Number of vulnerabilities | 1 |
| CVE-ID | CVE-2018-7053 |
| CWE-ID | CWE-416 |
| Exploitation vector | Network |
| Public exploit | N/A |
| Vulnerable software Subscribe |
irssi (Alpine package) Operating systems & Components / Operating system package or component |
| Vendor | Alpine Linux Development Team |
Security Bulletin
This security bulletin contains one high risk vulnerability.
1) Use-after-free error
EUVDB-ID: #VU10608
Risk: High
CVSSv3.1: 8.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:H/I:H/A:H/E:U/RL:O/RC:C]
CVE-ID: CVE-2018-7053
CWE-ID:
CWE-416 - Use After Free
Exploit availability: No
DescriptionThe vulnerability allows a remote attacker to execute arbitrary code on the target system.
The weakness exists due to a use-after-free when SASL messages are received in unexpected order. A remote attacker can use a non-conforming ircd, trigger memory corruption and execute arbitrary code on the system.
Successful exploitation of the vulnerability may result in system compromise.
Install update from vendor's website.
Vulnerable software versionsirssi (Alpine package): 1.0.4-r0 - 1.0.5-r1
irssi (Alpine package):
External linkshttp://git.alpinelinux.org/aports/commit/?id=0e2a4ec9e83009442eb881b140c63d8de286d2c9
http://git.alpinelinux.org/aports/commit/?id=5ea4be178b85d817f049fdf01ba85be7923c6904
http://git.alpinelinux.org/aports/commit/?id=174b6088c9c5ed2a35e9a71b229f4d413934b30d
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.
