SB2019081689 - Stack-based buffer overflow in cups (Alpine package)
Published: August 16, 2019
Security Bulletin ID
SB2019081689
Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Adjecent network
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 security vulnerability.
1) Stack-based buffer overflow (CVE-ID: CVE-2019-8675)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to a boundary error when processing SNMP requests within the asn1_get_type() function in cups/snmp.c. A remote attacker can send a specially crafted SNMP request to the CUPS service, trigger stack-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=6f2628e207c537c621826025430a496c75d391c6
- https://git.alpinelinux.org/aports/commit/?id=a32e693da9e322310101b4bd200d87fc718477c9
- https://git.alpinelinux.org/aports/commit/?id=1e85ba7cf47c73eaf15e950267dba27e92ae3d1d
- https://git.alpinelinux.org/aports/commit/?id=64af49ed3e853123c696b85177fc35a89b132627
- https://git.alpinelinux.org/aports/commit/?id=98a722f7fed8e0634558ab336f366a1212fb9b27
- https://git.alpinelinux.org/aports/commit/?id=aab6fd6ad9335b5dcd7ffbb1541583e2f722114d
- https://git.alpinelinux.org/aports/commit/?id=d76f1a5eb2c5b7d28084d2409d4c37b49a3892fe