Vulnerability in Lilypond
CVE-2020-17353
scm/define-stencil-commands.scm in LilyPond through 2.20.0, and 2.21.x through 2.21.4, when -dsafe is used, lacks restrictions on embedded-ps and embedded-svg, as demonstrated by including dangerous PostScript code.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.023 (83.4th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.024 · newest: 0.023 · change: -0.001
Affected products
- Lilypond
- Debian Linux — versions 10.0
- Fedoraproject Fedora — versions 31, 32
- openSUSE Backports Sle — versions 15.0
- openSUSE Leap — versions 15.2
Public proof-of-concept exploits
References
- git.savannah.gnu.org/gitweb/
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- www.debian.org/security/2020/dsa-4756 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00064.html (vendor-advisory, Mailing List, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00076.html (vendor-advisory, Mailing List, Third Party Advisory)
Frequently asked questions
- What is CVE-2020-17353?
- CVE-2020-17353 is a critical-severity vulnerability in Lilypond. CVSS score: 9.8/10. Published 2020-08-05.
- How severe is CVE-2020-17353?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-17353 known to be exploited?
- 3 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.