SB2017011820 - Out-of-bounds read in irssi (Alpine package)
Published: January 18, 2017
Security Bulletin ID
SB2017011820
Severity
Medium
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Out-of-bounds read (CVE-ID: CVE-2017-5356)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Irssi before 0.8.21 allows remote attackers to cause a denial of service (out-of-bounds read and crash) via a string containing a formatting sequence (%[) without a closing bracket (]).
Remediation
Install update from vendor's website.
References
- 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