Bug 1171862 (CVE-2020-12823)

Summary: VUL-0: CVE-2020-12823: openconnect: buffer overflow, causing a denial of service (application crash) or possibly unspecified other impact, via crafted certificate data to get_cert_name in gnutls.c.
Product: [Novell Products] SUSE Security Incidents Reporter: Robert Frohl <rfrohl>
Component: IncidentsAssignee: Security Team bot <security-team>
Status: RESOLVED FIXED QA Contact: Security Team bot <security-team>
Severity: Normal    
Priority: P3 - Medium CC: atoptsoglou, smash_bz, yfjiang
Version: unspecified   
Target Milestone: ---   
Hardware: Other   
OS: Other   
URL: https://smash.suse.de/issue/259600/
Whiteboard: CVSSv3.1:SUSE:CVE-2020-12823:6.5:(AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:L)
Found By: Security Response Team Services Priority:
Business Priority: Blocker: ---
Marketing QA Status: --- IT Deployment: ---

Description Robert Frohl 2020-05-19 08:12:01 UTC
CVE-2020-12823

OpenConnect 8.09 has a buffer overflow, causing a denial of service
(application crash) or possibly unspecified other impact, via crafted
certificate data to get_cert_name in gnutls.c.

References:
http://web.nvd.nist.gov/view/vuln/detail?vulnId=CVE-2020-12823
http://people.canonical.com/~ubuntu-security/cve/2020/CVE-2020-12823.html
Comment 1 Robert Frohl 2020-05-19 09:22:12 UTC
affects both SUSE:SLE-12-SP4:Update and SUSE:SLE-15:Update
Comment 2 Yifan Jiang 2020-05-29 03:29:56 UTC
Based on the upstream fix https://gitlab.com/openconnect/openconnect/-/merge_requests/108/diffs I think it could be something in Jonathan's area. Thanks!
Comment 4 Swamp Workflow Management 2020-06-30 19:14:16 UTC
SUSE-SU-2020:1807-1: An update that fixes one vulnerability is now available.

Category: security (moderate)
Bug References: 1171862
CVE References: CVE-2020-12823
Sources used:
SUSE Linux Enterprise Workstation Extension 12-SP5 (src):    openconnect-7.08-3.12.1
SUSE Linux Enterprise Workstation Extension 12-SP4 (src):    openconnect-7.08-3.12.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
Comment 5 Swamp Workflow Management 2020-07-15 16:24:50 UTC
SUSE-SU-2020:1930-1: An update that fixes one vulnerability is now available.

Category: security (moderate)
Bug References: 1171862
CVE References: CVE-2020-12823
Sources used:
SUSE Linux Enterprise Workstation Extension 15-SP2 (src):    openconnect-7.08-6.9.1
SUSE Linux Enterprise Workstation Extension 15-SP1 (src):    openconnect-7.08-6.9.1

NOTE: This line indicates an update has been released for the listed product(s). At times this might be only a partial fix. If you have questions please reach out to maintenance coordination.
Comment 6 Alexandros Toptsoglou 2020-07-16 14:17:32 UTC
Done
Comment 7 Swamp Workflow Management 2020-07-18 22:17:32 UTC
openSUSE-SU-2020:0997-1: An update that fixes one vulnerability is now available.

Category: security (moderate)
Bug References: 1171862
CVE References: CVE-2020-12823
Sources used:
openSUSE Leap 15.1 (src):    openconnect-7.08-lp151.6.9.1
Comment 8 Swamp Workflow Management 2020-07-21 19:13:55 UTC
openSUSE-SU-2020:1027-1: An update that fixes one vulnerability is now available.

Category: security (moderate)
Bug References: 1171862
CVE References: CVE-2020-12823
Sources used:
openSUSE Leap 15.2 (src):    openconnect-7.08-lp152.9.4.2