MGASA-2021-0146 - Updated discover package fixes a security vulnerability

Publication date: 18 Mar 2021
URL: https://advisories.mageia.org/MGASA-2021-0146.html
Type: security
Affected Mageia releases: 7, 8
CVE: CVE-2021-28117

Discover fetches the description and related texts of some applications/plugins
from store.kde.org. That text is displayed to the user, after turning into a
clickable link any part of the text that looks like a link. This is done for
any kind of link, be it smb:// nfs:// etc. when in fact it only makes sense for
http/https links. Opening links that the user has clicked on is not very
problematic but can be used to chain to other attack vectors. Given the
intended functionality of the feature is just for http/https links it makes
sense to do that verification (CVE-2021-28117).

References:
- https://bugs.mageia.org/show_bug.cgi?id=28581
- https://kde.org/info/security/advisory-20210310-1.txt
- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28117

SRPMS:
- 8/core/discover-5.20.4-3.1.mga8
- 7/core/discover-5.15.4-2.2.mga7

Mageia 2021-0146: discover security update

Discover fetches the description and related texts of some applications/plugins from store.kde.org

Summary

from store.kde.org. That text is displayed to the user, after turning into a clickable link any part of the text that looks like a link. This is done for any kind of link, be it smb:// nfs:// etc. when in fact it only makes sense for http/https links. Opening links that the user has clicked on is not very problematic but can be used to chain to other attack vectors. Given the intended functionality of the feature is just for http/https links it makes sense to do that verification (CVE-2021-28117).

References

- https://bugs.mageia.org/show_bug.cgi?id=28581

- https://kde.org/info/security/advisory-20210310-1.txt

- https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-28117

Resolution

MGASA-2021-0146 - Updated discover package fixes a security vulnerability

SRPMS

- 8/core/discover-5.20.4-3.1.mga8

- 7/core/discover-5.15.4-2.2.mga7

Severity
Publication date: 18 Mar 2021
URL: https://advisories.mageia.org/MGASA-2021-0146.html
Type: security
CVE: CVE-2021-28117

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