SB2018090425 - Type confusion in ghostscript (Alpine package)
Published: September 4, 2018
Security Bulletin ID
SB2018090425
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) Type confusion (CVE-ID: CVE-2018-15910)
The vulnerability allows a remote attacker to execute arbitrary code on the target system.
The vulnerability exists due to the bypass of the -dSAFER option. A remote unauthenticated attacker can submit a specially crafted PostScript file, trigger type confusion in LockDistillerParams parameter and execute arbitrary code with elevated privileges.
Successful exploitation of the vulnerability may result in system compromise.
Remediation
Install update from vendor's website.
References
- https://git.alpinelinux.org/aports/commit/?id=0c81d393f55e12aad1694ac3ee4ed2b865527f6f
- https://git.alpinelinux.org/aports/commit/?id=5e753b12c86f19cc249a631482ee1a4a739e45aa
- https://git.alpinelinux.org/aports/commit/?id=646b9a7b6b94e05cb166f6a084a22fe8f03264fb
- https://git.alpinelinux.org/aports/commit/?id=c13758613f3110e14c2e9eda818406f235d996c1
- https://git.alpinelinux.org/aports/commit/?id=dd646650fecf6b0d42ffc26eed4a6da53a6040e5