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Gentoo Linux Security Advisory GLSA 202105-05 |
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https://security.gentoo.org/ |
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Severity: Low |
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Title: Mutt, NeoMutt: Denial of Service |
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Date: May 26, 2021 |
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Bugs: #788388, #788391 |
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ID: 202105-05 |
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Synopsis |
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======== |
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A vulnerability in Mutt and NeoMutt could lead to a Denial of Service |
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condition. |
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Background |
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========== |
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Mutt is a small but very powerful text-based mail client. |
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NeoMutt is a command line mail reader (or MUA). It's a fork of Mutt |
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with added features. |
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Affected packages |
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================= |
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|
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------------------------------------------------------------------- |
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Package / Vulnerable / Unaffected |
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------------------------------------------------------------------- |
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1 mail-client/mutt < 2.0.7 >= 2.0.7 |
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2 mail-client/neomutt < 20210205-r1 >= 20210205-r1 |
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------------------------------------------------------------------- |
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2 affected packages |
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Description |
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=========== |
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It was discovered that Mutt, and NeoMutt did not properly handle |
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certain situations where an IMAP sequence set ends with a comma. |
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Impact |
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====== |
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A remote attacker could entice a user to connect to a malicious IMAP |
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server to cause a Denial of Service condition, or other unspecified |
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impacts. |
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Workaround |
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========== |
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There is no known workaround at this time. |
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Resolution |
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========== |
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All Mutt users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=mail-client/mutt-2.0.7" |
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All NeoMutt users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot -v ">=mail-client/neomutt-20210205-r1" |
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References |
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========== |
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[ 1 ] CVE-2021-32055 |
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https://nvd.nist.gov/vuln/detail/CVE-2021-32055 |
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Availability |
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============ |
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This GLSA and any updates to it are available for viewing at |
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the Gentoo Security Website: |
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https://security.gentoo.org/glsa/202105-05 |
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Concerns? |
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========= |
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Security is a primary focus of Gentoo Linux and ensuring the |
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confidentiality and security of our users' machines is of utmost |
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importance to us. Any security concerns should be addressed to |
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security@g.o or alternatively, you may file a bug at |
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https://bugs.gentoo.org. |
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License |
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======= |
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Copyright 2021 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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The contents of this document are licensed under the |
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Creative Commons - Attribution / Share Alike license. |
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https://creativecommons.org/licenses/by-sa/2.5 |
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