SB2020083125 - Remote code execution in LilyPond
Published: August 31, 2020
Security Bulletin ID
SB2020083125
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) Security restrictions bypass (CVE-ID: CVE-2020-17353)
The vulnerability allows a remote attacker to compromise the affected system.
The vulnerability exists due to application does not properly impose security restrictions on on embedded-ps and embedded-svg, when -dsafe is used. A remote attacker can create a specially crafted PostScript file, pass it to the affected application, bypass imposed security restrictions and execute arbitrary code on the target system.
Remediation
Install update from vendor's website.
References
- http://git.savannah.gnu.org/gitweb/?p=lilypond.git;a=commit;h=b84ea4740f3279516905c5db05f4074e777c16ff
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/QG2JUV4UTIA27JUE6IZLCEFP5PYSFPF4/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/W2JYMVLTPSNYS5F7TBHKIXUZZJIJAMRX/
- https://www.debian.org/security/2020/dsa-4756