SB2020090373 - Out-of-bounds read in busybox (Alpine package)
Published: September 3, 2020
Security Bulletin ID
SB2020090373
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) Out-of-bounds read (CVE-ID: CVE-2019-8457)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:N/AC:L/AT:N/PR:L/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 perform denial of service attack.
The vulnerability exists due to a boundary condition in rtreenode() function when handling invalid rtree tables. A remote attacker can send a specially crafted request to the application, trigger heap out-of-bounds read crash the application.
Remediation
Install update from vendor's website.