Vulnerability Details : 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.
Vulnerability category: Overflow
Exploit prediction scoring system (EPSS) score for CVE-2020-8608
Probability of exploitation activity in the next 30 days: 0.71%
Percentile, the proportion of vulnerabilities that are scored at or less: ~ 78 % EPSS Score History EPSS FAQ
CVSS scores for CVE-2020-8608
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source |
|---|---|---|---|---|---|
|
6.8
|
MEDIUM | AV:N/AC:M/Au:N/C:P/I:P/A:P |
8.6
|
6.4
|
NIST |
|
5.6
|
MEDIUM | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:L |
2.2
|
3.4
|
NIST |
CWE ids for CVE-2020-8608
-
The product copies an input buffer to an output buffer without verifying that the size of the input buffer is less than the size of the output buffer, leading to a buffer overflow.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-8608
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https://www.openwall.com/lists/oss-security/2020/02/06/2
oss-security - CVE-2020-8608 QEMU: Slirp: potential OOB access due to unsafe snprintf() usagesMailing List;Patch;Third Party Advisory
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https://security.netapp.com/advisory/ntap-20201001-0002/
CVE-2020-8608 QEMU Vulnerability in NetApp Products | NetApp Product SecurityThird Party Advisory
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http://lists.opensuse.org/opensuse-security-announce/2020-04/msg00007.html
[security-announce] openSUSE-SU-2020:0468-1: important: Security updateMailing List;Third Party Advisory
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https://lists.debian.org/debian-lts-announce/2021/02/msg00012.html
[SECURITY] [DLA 2551-1] slirp security updateMailing List;Third Party Advisory
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https://lists.debian.org/debian-lts-announce/2020/03/msg00015.html
[SECURITY] [DLA 2142-1] slirp security updateThird Party Advisory
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https://usn.ubuntu.com/4283-1/
USN-4283-1: QEMU vulnerabilities | Ubuntu security noticesThird Party Advisory
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https://gitlab.freedesktop.org/slirp/libslirp/-/tags/v4.1.0
v4.1.0 · Tags · slirp / libslirp · GitLabRelease Notes;Third Party Advisory
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https://lists.debian.org/debian-lts-announce/2020/07/msg00020.html
[SECURITY] [DLA 2288-1] qemu security updateMailing List;Third Party Advisory
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https://lists.debian.org/debian-lts-announce/2020/03/msg00017.html
[SECURITY] [DLA 2144-1] qemu security updateThird Party Advisory
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https://gitlab.freedesktop.org/slirp/libslirp/commit/68ccb8021a838066f0951d4b2817eb6b6f10a843
tcp_emu: fix unsafe snprintf() usages (68ccb802) · Commits · slirp / libslirp · GitLabPatch;Third Party Advisory
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https://security.gentoo.org/glsa/202003-66
QEMU: Multiple vulnerabilities (GLSA 202003-66) — Gentoo securityThird Party Advisory
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https://www.debian.org/security/2020/dsa-4733
Debian -- Security Information -- DSA-4733-1 qemuThird Party Advisory
Products affected by CVE-2020-8608
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:10.0:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:a:libslirp_project:libslirp:4.1.0:*:*:*:*:*:*:*