CVE-2020-7043
- Source
- https://nvd.nist.gov/vuln/detail/CVE-2020-7043
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2020-7043.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2020-7043
- Downstream
- Related
- Published
- 2020-02-27T18:15:11Z
- Modified
- 2025-09-19T12:20:34.279454Z
- Severity
-
- 9.1 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:N CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00009.html
- http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00011.html
- https://github.com/adrienverge/openfortivpn/commit/6328a070ddaab16faaf008cb9a8a62439c30f2a8
- https://github.com/adrienverge/openfortivpn/commit/cd9368c6a1b4ef91d77bb3fdbe2e5bc34aa6f4c4
- https://github.com/adrienverge/openfortivpn/issues/536
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CKNKSGBVYGRRVRLFEFBEKUEJYJR5LWOF/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/FF6HYIBREQGATRM5COF57MRQWKOKCWZ3/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/SRVVNXCNTNMPCIAZIVR4FAGYCSU53FNA/
Affected packages
Git / github.com/adrienverge/openfortivpn
Affected ranges
- Type
- GIT
- Repo
- https://github.com/adrienverge/openfortivpn
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixedFixed
Affected versions
v1.*
v1.0.0
v1.0.1
v1.1.0
v1.1.1
v1.1.2
v1.1.3
v1.1.4
v1.10.0
v1.11.0
v1.2.0
v1.3.0
v1.3.1
v1.4.0
v1.5.0
v1.6.0
v1.7.0
v1.7.1
v1.8.0
v1.8.1
v1.9.0
Database specific
{
"vanir_signatures": [
{
"id": "CVE-2020-7043-2f760f54",
"digest": {
"length": 2429.0,
"function_hash": "125432945444897325704174321387259565829"
},
"signature_version": "v1",
"target": {
"file": "src/tunnel.c",
"function": "ssl_verify_cert"
},
"deprecated": false,
"signature_type": "Function",
"source": "https://github.com/adrienverge/openfortivpn/commit/6328a070ddaab16faaf008cb9a8a62439c30f2a8"
},
{
"id": "CVE-2020-7043-63a1b135",
"digest": {
"line_hashes": [
"326536668639958100052841729794042126996",
"123601388663251602674058961315617262532",
"298499906374837506832731988873827737561",
"333538535266810693348442609398214357092",
"222499057199839917237616048434638310995",
"158021963753876568126672681529555774435",
"3117077068216323258710621602857852384",
"210886845709506199277846659849797683834",
"247627447578623611675946358640487877531",
"229416393064689430651692213890800657889",
"78461889246657476217910916720647705158",
"8031173947055631212742603957353263086",
"19935018114004311826440147295255170225"
],
"threshold": 0.9
},
"signature_version": "v1",
"target": {
"file": "src/tunnel.c"
},
"deprecated": false,
"signature_type": "Line",
"source": "https://github.com/adrienverge/openfortivpn/commit/6328a070ddaab16faaf008cb9a8a62439c30f2a8"
}
]
}