CVE-2020-8608
MEDIUMCVSS 5.6/10EPSS 2.49%
Last modified
CVE-2020-8608 is a medium-severity vulnerability rated 5.6/10 on the CVSS scale. In libslirp 4.1.0, as used in QEMU 4.2.0, tcp_subr.c misuses snprintf return values, leading to a buffer overflow in later code.. EPSS estimates a 2.49% chance of exploitation in the next 30 days.
Description
In libslirp 4.1.0, as used in QEMU 4.2.0, tcp_subr.c misuses snprintf return values, leading to a buffer overflow in later code.
Metrics
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Libslirp Project | Libslirp | 4.1.0 |
| Debian | Debian Linux | 8.0 |
| Debian | Debian Linux | 9.0 |
| Debian | Debian Linux | 10.0 |
| Opensuse | Leap | 15.1 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.htmlMailing List, Third Party Advisory
- https://gitlab.freedesktop.org/slirp/libslirp/-/tags/v4.1.0Release Notes, Third Party Advisory
- https://gitlab.freedesktop.org/slirp/libslirp/commit/68ccb8021a838066f0951d4b2817eb6b6f10a843Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00015.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00017.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00020.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00012.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202003-66Third Party Advisory
- https://security.netapp.com/advisory/ntap-20201001-0002/Third Party Advisory
- https://usn.ubuntu.com/4283-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4733Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/02/06/2Mailing List, Patch, Third Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.htmlMailing List, Third Party Advisory
- https://gitlab.freedesktop.org/slirp/libslirp/-/tags/v4.1.0Release Notes, Third Party Advisory
- https://gitlab.freedesktop.org/slirp/libslirp/commit/68ccb8021a838066f0951d4b2817eb6b6f10a843Patch, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00015.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/03/msg00017.htmlThird Party Advisory
- https://lists.debian.org/debian-lts-announce/2020/07/msg00020.htmlMailing List, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2021/02/msg00012.htmlMailing List, Third Party Advisory
- https://security.gentoo.org/glsa/202003-66Third Party Advisory
- https://security.netapp.com/advisory/ntap-20201001-0002/Third Party Advisory
- https://usn.ubuntu.com/4283-1/Third Party Advisory
- https://www.debian.org/security/2020/dsa-4733Third Party Advisory
- https://www.openwall.com/lists/oss-security/2020/02/06/2Mailing List, Patch, Third Party Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
Frequently Asked Questions
What is CVE-2020-8608?
In libslirp 4.1.0, as used in QEMU 4.2.0, tcp_subr.c misuses snprintf return values, leading to a buffer overflow in later code.
How severe is CVE-2020-8608?
CVE-2020-8608 has a CVSS score of 5.6/10 (MEDIUM severity). The EPSS model estimates a 2.49% probability of exploitation in the next 30 days.
How do I fix CVE-2020-8608?
Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.
How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
- Autonomous PentestingAI agents that find and validate exploitable vulnerabilities like this one across your applications.
- PR ReviewsPentest every pull request so vulnerable code is caught before it ships to production.
- AI Penetration TestingHow AI-driven penetration testing continuously covers your attack surface.
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Are you affected by CVE-2020-8608?
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Scan your code nowSource: NVD / NIST