Bug 1165301 - (CVE-2020-7043) VUL-0: CVE-2020-7043: openfortivpn: tunnel.c mishandles certificate validation because hostname comparisons do not consider '\0' characters
(CVE-2020-7043)
VUL-0: CVE-2020-7043: openfortivpn: tunnel.c mishandles certificate validatio...
Status: RESOLVED FIXED
Classification: openSUSE
Product: openSUSE Distribution
Classification: openSUSE
Component: Security
Leap 15.1
Other Other
: P3 - Medium : Normal (vote)
: ---
Assigned To: Security Team bot
Security Team bot
https://smash.suse.de/issue/253898/
:
Depends on:
Blocks:
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Reported: 2020-02-28 15:47 UTC by Alexandros Toptsoglou
Modified: 2020-05-04 12:12 UTC (History)
0 users

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Found By: Security Response Team
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Business Priority:
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Description Alexandros Toptsoglou 2020-02-28 15:47:54 UTC
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.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-7043
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-7043.html
https://github.com/adrienverge/openfortivpn/issues/536
https://github.com/adrienverge/openfortivpn/commit/cd9368c6a1b4ef91d77bb3fdbe2e5bc34aa6f4c4
http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-7043
Comment 1 Swamp Workflow Management 2020-03-04 23:12:20 UTC
openSUSE-SU-2020:0301-1: An update that fixes three vulnerabilities is now available.

Category: security (important)
Bug References: 1165299,1165300,1165301
CVE References: CVE-2020-7041,CVE-2020-7042,CVE-2020-7043
Sources used:
openSUSE Leap 15.1 (src):    openfortivpn-1.12.0-lp151.2.5.1
Comment 2 Swamp Workflow Management 2020-03-05 20:13:21 UTC
openSUSE-SU-2020:0305-1: An update that fixes three vulnerabilities is now available.

Category: security (important)
Bug References: 1165299,1165300,1165301
CVE References: CVE-2020-7041,CVE-2020-7042,CVE-2020-7043
Sources used:
openSUSE Backports SLE-15-SP1 (src):    openfortivpn-1.12.0-bp151.3.3.1
Comment 3 Alexandros Toptsoglou 2020-05-04 12:12:49 UTC
Done