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Gentoo Linux Security Advisory GLSA 202005-09 |
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https://security.gentoo.org/ |
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|
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Severity: Normal |
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Title: Python: Denial of Service |
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Date: May 14, 2020 |
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Bugs: #707822 |
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ID: 202005-09 |
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|
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Synopsis |
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======== |
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|
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A vulnerability in Python could lead to a Denial of Service condition. |
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|
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Background |
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========== |
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|
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Python is an interpreted, interactive, object-oriented programming |
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language. |
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|
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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 dev-lang/python < 2.7.18:2.7 >= 2.7.18:2.7 |
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< 3.6.10-r2:3.6 >= 3.6.10-r2:3.6 |
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< 3.7.7-r2:3.7 >= 3.7.7-r2:3.7 |
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< 3.8.2-r2:3.8 >= 3.8.2-r2:3.8 |
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|
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Description |
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=========== |
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|
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An issue was discovered in urllib.request.AbstractBasicAuthHandler |
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which allowed a remote attacker to send malicious data causing |
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extensive regular expression backtracking. |
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|
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Impact |
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====== |
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|
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An attacker could cause a possible Denial of Service condition. |
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|
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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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|
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Resolution |
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========== |
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All Python 2.7 users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=dev-lang/python-2.7.18:2.7" |
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|
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All Python 3.6 users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=dev-lang/python-3.6.10-r2:3.6" |
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|
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All Python 3.7 users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=dev-lang/python-3.7.7-r2:3.7" |
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|
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All Python 3.8 users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=dev-lang/python-3.8.2-r2:3.8" |
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|
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References |
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========== |
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|
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[ 1 ] CVE-2020-8492 |
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https://nvd.nist.gov/vuln/detail/CVE-2020-8492 |
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|
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Availability |
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============ |
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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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|
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https://security.gentoo.org/glsa/202005-09 |
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|
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Concerns? |
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========= |
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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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|
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License |
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======= |
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|
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Copyright 2020 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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|
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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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|
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https://creativecommons.org/licenses/by-sa/2.5 |