MGASA-2020-0251 - Updated openconnect packages fix security vulnerability

Publication date: 10 Jun 2020
URL: https://advisories.mageia.org/MGASA-2020-0251.html
Type: security
Affected Mageia releases: 7
CVE: CVE-2020-12105,
     CVE-2020-12823

Updated openconnect packages fix security vulnerabilities:

OpenConnect through 8.08 mishandles negative return values from
X509_check_ function calls, which might assist attackers in performing
man-in-the-middle attacks (CVE-2020-12105).

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 (CVE-2020-12823).

The openconnect package has been updated to version 8.10, fixing these
issues and other bugs.  See the upstream changelog for details.

References:
- https://bugs.mageia.org/show_bug.cgi?id=26624
- http://www.infradead.org/openconnect/changelog.html
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12105
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12823

SRPMS:
- 7/core/openconnect-8.10-1.mga7

Mageia 2020-0251: openconnect security update

Updated openconnect packages fix security vulnerabilities: OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls, which might assist attackers...

Summary

Updated openconnect packages fix security vulnerabilities:
OpenConnect through 8.08 mishandles negative return values from X509_check_ function calls, which might assist attackers in performing man-in-the-middle attacks (CVE-2020-12105).
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 (CVE-2020-12823).
The openconnect package has been updated to version 8.10, fixing these issues and other bugs. See the upstream changelog for details.

References

- https://bugs.mageia.org/show_bug.cgi?id=26624

- http://www.infradead.org/openconnect/changelog.html

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12105

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2020-12823

Resolution

MGASA-2020-0251 - Updated openconnect packages fix security vulnerability

SRPMS

- 7/core/openconnect-8.10-1.mga7

Severity
Publication date: 10 Jun 2020
URL: https://advisories.mageia.org/MGASA-2020-0251.html
Type: security
CVE: CVE-2020-12105, CVE-2020-12823

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