SB2020061833 - Integer overflow in perl (Alpine package)
Published: June 18, 2020
Security Bulletin ID
SB2020061833
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Integer overflow (CVE-ID: CVE-2020-10543)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to integer overflow in nested regular expression quantifiers. A remote attacker can pass specially crafted data to the application, trigger integer overflow, leading to heap-based buffer overflow and execute arbitrary code on the target system.
Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=2347c5642490c5f7dc79c2205fff672b7bf5a3f6
- https://git.alpinelinux.org/aports/commit/?id=2db22e01ffdcff6cb673b0f5660cb911cff79bc1
- https://git.alpinelinux.org/aports/commit/?id=d5907c68b2341579983e3fc9a25ac4b67162c994
- https://git.alpinelinux.org/aports/commit/?id=f4e478f351ceedb178ec76b3b5ba2b2defdf99c8
- https://git.alpinelinux.org/aports/commit/?id=0bae63fd8d47db4b5bf4e1407c139f804fa62f4f