Out-of-bounds Read in Usrsctp Project
CVE-2019-20503
usrsctp before 2019-12-20 has out-of-bounds reads in sctp_load_addresses_from_init.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 6.5 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.031 (87.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 87th percentile — 87.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.032 · newest: 0.031 · change: -0.000
Affected products
- Usrsctp Project
- Canonical Ubuntu Linux — versions 16.04, 18.04, 19.10
- Debian Linux — versions 8.0, 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- bugs.chromium.org/p/project-zero/issues/detail (Exploit, Patch, Vendor Advisory)
- github.com/sctplab/usrsctp/commit/790a7a2555aefb392a5a69923f1e9d17b4968467 (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/03/msg00013.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4639 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/202003-02 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/202003-10 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-03/msg00022.html (vendor-advisory, Mailing List, Third Party Advisory)
- access.redhat.com/errata/RHSA-2020:0815 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2020:0819 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2020:0816 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2019-20503?
- CVE-2019-20503 is a medium-severity vulnerability in Usrsctp Project, classified under Out-of-bounds Read. CVSS score: 6.5/10. Published 2020-03-06.
- How severe is CVE-2019-20503?
- Medium severity. CVSS v3 base score is 6.5 out of 10.
- Is CVE-2019-20503 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.