SB2020090371 - Heap out-of-bounds read in busybox (Alpine package)
Published: September 3, 2020 Updated: March 7, 2023
Security Bulletin ID
SB2020090371
CSH Severity
Low
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 vulnerability.
1) Heap out-of-bounds read (CVE-ID: CVE-2019-7635)
CWE-ID: CWE-125 - Out-of-bounds read
CVSSv4: CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:P/U:Clear
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to heap-based buffer over-read condition in the Blit1to4 function. A remote attacker can trick the victim into accessing a crafted image file and perform a denial of service attack.
Remediation
Install update from vendor's website.