SB2017050212 - Out-of-bounds read in Rxvt
Published: May 2, 2017 Updated: August 8, 2020
Security Bulletin ID
SB2017050212
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-2017-7483)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
Rxvt 2.7.10 is vulnerable to a denial of service attack by passing the value -2^31 inside a terminal escape code, which results in a non-invertible integer that eventually leads to a segfault due to an out of bounds read.
Remediation
Install update from vendor's website.