CVE-2017-12166: debian debian_linux Out-of-bounds Write
CVSS: 9.8v3.1CriticalModified
AliasesMGASA-2017-0372SUSE-SU-2017:2839-1SUSE-SU-2017:3177-1UBUNTU-CVE-2017-12166DEBIAN-CVE-2017-12166
Published 03-10-2017Last modified 05-08-2024
Vulnerability summary
CVE-2017-12166 is a critical (CVSS 9.8) Out-of-bounds Write vulnerability in debian debian_linux. EPSS estimates a 3.63% chance of exploitation in the next 30 days, higher than 89.4% of scored vulnerabilities.
CVSS score
9.8/10
010
Critical · v3.1 (NVD)EPSS score
3.63%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 4 · Related 3Timeline
- 03-10-2017PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
OpenVPN versions before 2.3.3 and 2.4.x before 2.4.4 are vulnerable to a buffer overflow vulnerability when key-method 1 is used, possibly resulting in code execution.
CVSS metrics
5 scores · 3 sources · 3 versionsCritical 9.8Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- OSV · DebianEcosystem advisory · calculated9.8CriticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
High 8.1Preferred score · OSV · Ubuntu (Ecosystem advisory) · calculated from vector
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:HSourcesSingle source
Medium 6.8Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:P/I:P/A:PSourcesSingle source
EPSS trend
Probability
3.63%
Chance of exploitation in the next 30 days
Percentile
89%
Versus all other CVEs
30-day change
0.00 pp
From 3.63% on 20-09-2026
20-09-202620-10-2026
EPSS score3.63%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse12 products
- openvpn-openssl1&distro=SUSE Linux Enterprise Server 11-SECURITY< 2.3.2-0.10.3.1
- openvpn&distro=SUSE Linux Enterprise Desktop 12 SP2< 2.3.8-16.20.1
- openvpn&distro=SUSE Linux Enterprise Desktop 12 SP3< 2.3.8-16.20.1
- openvpn&distro=SUSE Linux Enterprise Server 12 SP1-LTSS< 2.3.8-16.20.1
- openvpn&distro=SUSE Linux Enterprise Server 12 SP2< 2.3.8-16.20.1
Debian2 products
- openvpn< 2.4.4-1
- debian_linuxEOL9.0
Mageia2 products
- openvpn< 2.3.18-1.mga5
- openvpn< 2.4.4-1.mga6
Openvpn1 product
- openvpn< 2.3.18 | ≥ 2.4.0, < 2.4.4
Ubuntu1 product
- openvpn< 2.3.2-7ubuntu3.2+esm2 | < 2.3.10-1ubuntu2.2+esm2
5 vendors · 18 products
References
17 links
lists.debian.org/debian-lts-announce/2022/05/msg00002.htmlMailing ListX Refsource MLISTThird Party Advisory