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Bug 829117 (CVE-2020-16156) - <perl-core/CPAN-2.290.0: signature verification bypass (CVE-2020-16156)
Summary: <perl-core/CPAN-2.290.0: signature verification bypass (CVE-2020-16156)
Status: RESOLVED FIXED
Alias: CVE-2020-16156
Product: Gentoo Security
Classification: Unclassified
Component: Vulnerabilities (show other bugs)
Hardware: All Linux
: Normal minor (vote)
Assignee: Gentoo Security
URL: https://blog.hackeriet.no/cpan-signat...
Whiteboard: A4 [noglsa]
Keywords:
Depends on: 829572
Blocks:
  Show dependency tree
 
Reported: 2021-12-13 19:55 UTC by John Helmert III
Modified: 2023-10-01 11:46 UTC (History)
1 user (show)

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Package list:
Runtime testing required: ---

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Description John Helmert III archtester Gentoo Infrastructure gentoo-dev Security 2021-12-13 19:55:52 UTC 
CVE-2020-16156:

CPAN 2.28 allows Signature Verification Bypass.

Can't see if there's a fixed version based on URL.
Comment 1 Andreas K. Hüttel archtester gentoo-dev 2021-12-18 15:53:36 UTC 
http://blogs.perl.org/users/neilb/2021/11/addressing-cpan-vulnerabilities-related-to-checksums.html

Fixed in dev-lang/perl-5.34.0-r6 (to be committed) via pulling in CPAN-2.29
Comment 2 Larry the Git Cow gentoo-dev 2021-12-18 15:56:45 UTC 
The bug has been referenced in the following commit(s):

https://gitweb.gentoo.org/repo/gentoo.git/commit/?id=6c82144c1ddc4de8941a324083ff839f32365a78

commit 6c82144c1ddc4de8941a324083ff839f32365a78
Author:     Andreas K. Hüttel <dilfridge@gentoo.org>
AuthorDate: 2021-12-18 15:56:28 +0000
Commit:     Andreas K. Hüttel <dilfridge@gentoo.org>
CommitDate: 2021-12-18 15:56:28 +0000

    dev-lang/perl: Revbump, requires CPAN 2.29
    
    Bug: https://bugs.gentoo.org/829117
    Package-Manager: Portage-3.0.28, Repoman-3.0.3
    Signed-off-by: Andreas K. Hüttel <dilfridge@gentoo.org>

 dev-lang/perl/perl-5.34.0-r6.ebuild | 813 ++++++++++++++++++++++++++++++++++++
 1 file changed, 813 insertions(+)