SB2019040242 - OS Command Injection in ghostscript (Alpine package)
Published: April 2, 2019
Security Bulletin ID
SB2019040242
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) OS Command Injection (CVE-ID: CVE-2019-3838)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to insufficient validation of user-supplied input when processing PostScript files with Ghostscript. A remote attacker can create a specially crafted PDF file, trick the victim to open it and execute arbitrary commands on the affected system.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=572bfae1715027763d93986dca4f15179a78f8d6
- https://git.alpinelinux.org/aports/commit/?id=ee8b04b44683cef9674d15880a2ff533d01e36b4
- https://git.alpinelinux.org/aports/commit/?id=2e62b7ed22984e045c0f6bc445dd7417cc9c8a60
- https://git.alpinelinux.org/aports/commit/?id=4a8f0f0a31e8c1197403cd1588368f5418044818
- https://git.alpinelinux.org/aports/commit/?id=55c3f713cfda62201a46a0bd1b80c6a11389a10f
- https://git.alpinelinux.org/aports/commit/?id=586ad725409e9ccfeace90e127c45c6acbb8daf5
- https://git.alpinelinux.org/aports/commit/?id=dc402a92e8e07a157c0179cf2123c1230aca7fd9