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Gentoo Linux Security Advisory GLSA 201910-01 |
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https://security.gentoo.org/ |
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Severity: High |
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Title: PHP: Arbitrary code execution |
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Date: October 25, 2019 |
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Bugs: #698452 |
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ID: 201910-01 |
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Synopsis |
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======== |
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|
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A vulnerability in PHP might allow an attacker to execute arbitrary |
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code. |
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Background |
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========== |
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|
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PHP is an open source general-purpose scripting language that is |
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especially suited for web development. |
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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/php < 7.1.33 >= 7.1.33 |
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< 7.2.24 >= 7.2.24 |
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< 7.3.11 >= 7.3.11 |
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|
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Description |
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=========== |
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|
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A underflow in env_path_info in PHP-FPM under certain configurations |
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can be exploited to gain remote code execution. |
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Impact |
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====== |
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|
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A remote attacker, by sending special crafted HTTP requests, could |
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possibly execute arbitrary code with the privileges of the process, or |
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cause a Denial of Service condition. |
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Workaround |
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========== |
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If patching is not feasible, the suggested workaround is to include |
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checks to verify whether or not a file exists before passing to PHP. |
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Resolution |
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========== |
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All PHP 7.1 users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=dev-lang/php-7.1.33" |
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All PHP 7.2 users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=dev-lang/php-7.2.24" |
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All PHP 7.3 users should upgrade to the latest version: |
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=dev-lang/php-7.3.11" |
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|
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References |
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========== |
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|
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[ 1 ] CVE-2019-11043 |
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https://nvd.nist.gov/vuln/detail/CVE-2019-11043 |
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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/201910-01 |
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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 2019 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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