SB2019011714 - Use-after-free in irssi (Alpine package)
Published: January 17, 2019
Security Bulletin ID
SB2019011714
CSH Severity
Low
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Partial DoS
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use-after-free (CVE-ID: CVE-2019-5882)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 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
The vulnerability allows a remote attacker to conduct DoS attack.
The vulnerability exists due to a use-after-free error when hidden lines are expired from the scroll buffer. A remote attacker can trigger memory corruption and cause the service to crash.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=3dc163ee30f6d8236f24f2c8704e9e5bd04261ca
- https://git.alpinelinux.org/aports/commit/?id=4a1b35f961328ede5ec6d878950b6f368b83a75d
- https://git.alpinelinux.org/aports/commit/?id=a95d7efded7650a16db9f1cfa01e95bc5513cf83
- https://git.alpinelinux.org/aports/commit/?id=43cda781d02e0252a7043e51eebb6b8e62e1806a
- https://git.alpinelinux.org/aports/commit/?id=c4e35c92e1389de8f3e842a194ec98a50a96e219