Buffer overflow in Point-To-Point Protocol Project
CVE-2020-8597
eap.c in pppd in ppp 2.4.2 through 2.4.8 has an rhostname buffer overflow in the eap_request and eap_response functions.
Vulnerability class: Buffer Overflow
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: 0.199 (97.4th percentile), scored .
Moderate probability of exploitation in the next 30 days — watch for active exploitation reports. 97th percentile — 97.4% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.199 · newest: 0.199 · change: 0.000
Affected products
- Point-To-Point Protocol Project
- Wago Pfc100
- Wago Pfc200
- Wago Pfc Firmware
- Canonical Ubuntu Linux — versions 12.04, 14.04, 16.04
- Debian Linux — versions 9.0, 10.0
Weakness classification (CWE)
Public proof-of-concept exploits
References
- github.com/paulusmack/ppp/commit/8d7970b8f3db727fe798b65f3377fe6787575426 (Patch, Third Party Advisory)
- lists.debian.org/debian-lts-announce/2020/02/msg00005.html (mailing-list, Mailing List, Third Party Advisory)
- www.debian.org/security/2020/dsa-4632 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2020:0631 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2020:0634 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2020:0633 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2020:0630 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-03/msg00006.html (vendor-advisory, Mailing List, Third Party Advisory)
- usn.ubuntu.com/4288-1/ (vendor-advisory, Third Party Advisory)
- www.kb.cert.org/vuls/id/782301 (US Government Resource, Third Party Advisory, third-party-advisory)
Frequently asked questions
- What is CVE-2020-8597?
- CVE-2020-8597 is a critical-severity vulnerability in Point-To-Point Protocol Project, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 9.8/10. Published 2020-02-03.
- How severe is CVE-2020-8597?
- Critical severity. CVSS v3 base score is 9.8 out of 10.
- Is CVE-2020-8597 known to be exploited?
- 38 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.