Vulnerability Details : CVE-2020-7043
An issue was discovered in openfortivpn 1.11.0 when used with OpenSSL before 1.0.2. tunnel.c mishandles certificate validation because hostname comparisons do not consider '\0' characters, as demonstrated by a good.example.com\x00evil.example.com attack.
Products affected by CVE-2020-7043
- cpe:2.3:o:fedoraproject:fedora:31:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:32:*:*:*:*:*:*:*
- cpe:2.3:o:fedoraproject:fedora:30:*:*:*:*:*:*:*
- cpe:2.3:o:opensuse:leap:15.1:*:*:*:*:*:*:*
- cpe:2.3:a:opensuse:backports_sle:15.0:sp1:*:*:*:*:*:*
- cpe:2.3:a:openfortivpn_project:openfortivpn:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2020-7043
0.22%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 61 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2020-7043
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
6.4
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:P/A:N |
10.0
|
4.9
|
NIST | |
|
9.1
|
CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N |
3.9
|
5.2
|
NIST |
CWE ids for CVE-2020-7043
-
The product does not validate, or incorrectly validates, a certificate.Assigned by: nvd@nist.gov (Primary)
References for CVE-2020-7043
-
https://github.com/adrienverge/openfortivpn/commit/cd9368c6a1b4ef91d77bb3fdbe2e5bc34aa6f4c4
openfortivpn version 1.12.0 · adrienverge/openfortivpn@cd9368c · GitHubPatch;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/FF6HYIBREQGATRM5COF57MRQWKOKCWZ3/
[SECURITY] Fedora 31 Update: openfortivpn-1.12.0-1.fc31 - package-announce - Fedora Mailing-ListsThird Party Advisory
-
https://github.com/adrienverge/openfortivpn/commit/6328a070ddaab16faaf008cb9a8a62439c30f2a8
fix TLS Certificate CommonName NULL Byte Vulnerability · adrienverge/openfortivpn@6328a07 · GitHubPatch;Third Party Advisory
-
https://github.com/adrienverge/openfortivpn/issues/536
Security Contact · Issue #536 · adrienverge/openfortivpn · GitHubIssue Tracking;Third Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00011.html
[security-announce] openSUSE-SU-2020:0305-1: important: Security updateMailing List;Third Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SRVVNXCNTNMPCIAZIVR4FAGYCSU53FNA/
[SECURITY] Fedora 30 Update: openfortivpn-1.12.0-1.fc30 - package-announce - Fedora Mailing-ListsThird Party Advisory
-
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CKNKSGBVYGRRVRLFEFBEKUEJYJR5LWOF/
[SECURITY] Fedora 32 Update: openfortivpn-1.12.0-1.fc32 - package-announce - Fedora Mailing-ListsThird Party Advisory
-
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00009.html
[security-announce] openSUSE-SU-2020:0301-1: important: Security updateMailing List;Third Party Advisory
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