SB2019081690 - Stack-based buffer overflow in cups (Alpine package)
Published: August 16, 2019
Security Bulletin ID
SB2019081690
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-2019-8696)
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_packed() function in cups/snmp.c. A remote attacker with access to the the SNMP service can send a specially crafted request to the application, trigger a stack-based buffer oveflow 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