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CVE-2015-4021

Status Candidate

Overview

The phar_parse_tarfile function in ext/phar/tar.c in PHP before 5.4.41, 5.5.x before 5.5.25, and 5.6.x before 5.6.9 does not verify that the first character of a filename is different from the � character, which allows remote attackers to cause a denial of service (integer underflow and memory corruption) via a crafted entry in a tar archive.

Related Files

Gentoo Linux Security Advisory 201606-10
Posted Jun 19, 2016
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201606-10 - Multiple vulnerabilities have been found in PHP, the worst of which could lead to arbitrary code execution, or cause a Denial of Service condition. Versions less than 5.6.19 are affected.

tags | advisory, denial of service, arbitrary, php, vulnerability, code execution
systems | linux, gentoo
advisories | CVE-2013-6501, CVE-2014-9705, CVE-2014-9709, CVE-2015-0231, CVE-2015-0273, CVE-2015-1351, CVE-2015-1352, CVE-2015-2301, CVE-2015-2348, CVE-2015-2783, CVE-2015-2787, CVE-2015-3329, CVE-2015-3330, CVE-2015-4021, CVE-2015-4022, CVE-2015-4025, CVE-2015-4026, CVE-2015-4147, CVE-2015-4148, CVE-2015-4642, CVE-2015-4643, CVE-2015-4644, CVE-2015-6831, CVE-2015-6832, CVE-2015-6833, CVE-2015-6834, CVE-2015-6835, CVE-2015-6836
MD5 | 1a8576ed6209013416527cf364c0cf18
Red Hat Security Advisory 2015-1219-01
Posted Jul 9, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-1219-01 - PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. A flaw was found in the way PHP parsed multipart HTTP POST requests. A specially crafted request could cause PHP to use an excessive amount of CPU time. An integer overflow flaw leading to a heap-based buffer overflow was found in the way PHP's FTP extension parsed file listing FTP server responses. A malicious FTP server could use this flaw to cause a PHP application to crash or, possibly, execute arbitrary code.

tags | advisory, web, overflow, arbitrary, php
systems | linux, redhat
advisories | CVE-2015-4021, CVE-2015-4022, CVE-2015-4024, CVE-2015-4025, CVE-2015-4026, CVE-2015-4598
MD5 | a9ad75cc02db582ed1804115b2bdb600
Red Hat Security Advisory 2015-1218-01
Posted Jul 9, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-1218-01 - PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. A flaw was found in the way PHP parsed multipart HTTP POST requests. A specially crafted request could cause PHP to use an excessive amount of CPU time. An uninitialized pointer use flaw was found in PHP's Exif extension. A specially crafted JPEG or TIFF file could cause a PHP application using the exif_read_data() function to crash or, possibly, execute arbitrary code with the privileges of the user running that PHP application.

tags | advisory, web, arbitrary, php
systems | linux, redhat
advisories | CVE-2014-9425, CVE-2014-9705, CVE-2014-9709, CVE-2015-0232, CVE-2015-0273, CVE-2015-2301, CVE-2015-2783, CVE-2015-2787, CVE-2015-3307, CVE-2015-3329, CVE-2015-3411, CVE-2015-3412, CVE-2015-4021, CVE-2015-4022, CVE-2015-4024, CVE-2015-4026, CVE-2015-4147, CVE-2015-4148, CVE-2015-4598, CVE-2015-4599, CVE-2015-4600, CVE-2015-4601, CVE-2015-4602, CVE-2015-4603
MD5 | 67b63fd7cee3937df91132050bfb1e39
Ubuntu Security Notice USN-2658-1
Posted Jul 7, 2015
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 2658-1 - Neal Poole and Tomas Hoger discovered that PHP incorrectly handled NULL bytes in file paths. A remote attacker could possibly use this issue to bypass intended restrictions and create or obtain access to sensitive files. Emmanuel Law discovered that the PHP phar extension incorrectly handled filenames starting with a NULL byte. A remote attacker could use this issue with a crafted tar archive to cause a denial of service. Various other issues were also addressed.

tags | advisory, remote, denial of service, php
systems | linux, ubuntu
advisories | CVE-2015-3411, CVE-2015-3412, CVE-2015-4021, CVE-2015-4022, CVE-2015-4024, CVE-2015-4025, CVE-2015-4026, CVE-2015-4147, CVE-2015-4148, CVE-2015-4598, CVE-2015-4599, CVE-2015-4600, CVE-2015-4601, CVE-2015-4602, CVE-2015-4603, CVE-2015-4604, CVE-2015-4605, CVE-2015-4643, CVE-2015-4644
MD5 | 67d22568cd164ff9f91ff3aa553f1032
Red Hat Security Advisory 2015-1187-01
Posted Jun 25, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-1187-01 - PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. A flaw was found in the way the PHP module for the Apache httpd web server handled pipelined requests. A remote attacker could use this flaw to trigger the execution of a PHP script in a deinitialized interpreter, causing it to crash or, possibly, execute arbitrary code. A flaw was found in the way PHP parsed multipart HTTP POST requests. A specially crafted request could cause PHP to use an excessive amount of CPU time.

tags | advisory, remote, web, arbitrary, php
systems | linux, redhat
advisories | CVE-2015-2783, CVE-2015-3307, CVE-2015-3329, CVE-2015-3330, CVE-2015-3411, CVE-2015-3412, CVE-2015-4021, CVE-2015-4022, CVE-2015-4024, CVE-2015-4025, CVE-2015-4026, CVE-2015-4598, CVE-2015-4602, CVE-2015-4603, CVE-2015-4604, CVE-2015-4605
MD5 | 901eeb5e7de5c17270fcc95c697cd709
Red Hat Security Advisory 2015-1186-01
Posted Jun 25, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-1186-01 - PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. A flaw was found in the way the PHP module for the Apache httpd web server handled pipelined requests. A remote attacker could use this flaw to trigger the execution of a PHP script in a deinitialized interpreter, causing it to crash or, possibly, execute arbitrary code. A flaw was found in the way PHP parsed multipart HTTP POST requests. A specially crafted request could cause PHP to use an excessive amount of CPU time.

tags | advisory, remote, web, arbitrary, php
systems | linux, redhat
advisories | CVE-2015-2783, CVE-2015-3307, CVE-2015-3329, CVE-2015-3330, CVE-2015-3411, CVE-2015-3412, CVE-2015-4021, CVE-2015-4022, CVE-2015-4024, CVE-2015-4025, CVE-2015-4026, CVE-2015-4598, CVE-2015-4602, CVE-2015-4603, CVE-2015-4604, CVE-2015-4605
MD5 | b4442080964ef825fd6bf26c1cc4b744
Red Hat Security Advisory 2015-1135-01
Posted Jun 23, 2015
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2015-1135-01 - PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. A flaw was found in the way the PHP module for the Apache httpd web server handled pipelined requests. A remote attacker could use this flaw to trigger the execution of a PHP script in a deinitialized interpreter, causing it to crash or, possibly, execute arbitrary code. A flaw was found in the way PHP parsed multipart HTTP POST requests. A specially crafted request could cause PHP to use an excessive amount of CPU time.

tags | advisory, remote, web, arbitrary, php
systems | linux, redhat
advisories | CVE-2014-8142, CVE-2014-9652, CVE-2014-9705, CVE-2014-9709, CVE-2015-0231, CVE-2015-0232, CVE-2015-0273, CVE-2015-2301, CVE-2015-2348, CVE-2015-2783, CVE-2015-2787, CVE-2015-3307, CVE-2015-3329, CVE-2015-3330, CVE-2015-3411, CVE-2015-3412, CVE-2015-4021, CVE-2015-4022, CVE-2015-4024, CVE-2015-4025, CVE-2015-4026, CVE-2015-4147, CVE-2015-4148, CVE-2015-4598, CVE-2015-4599, CVE-2015-4600, CVE-2015-4601, CVE-2015-4602
MD5 | bdcc1b92b21bbc928feea047d6d42210
Slackware Security Advisory - php Updates
Posted Jun 12, 2015
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New php packages are available for Slackware 14.0, 14.1, and -current to fix security issues.

tags | advisory, php
systems | linux, slackware
advisories | CVE-2006-7243, CVE-2015-2325, CVE-2015-2326, CVE-2015-4021, CVE-2015-4022, CVE-2015-4024, CVE-2015-4025, CVE-2015-4026
MD5 | 6660c288fd43787965cfe1f0492a8995
Debian Security Advisory 3280-1
Posted Jun 10, 2015
Authored by Debian | Site debian.org

Debian Linux Security Advisory 3280-1 - Multiple vulnerabilities have been discovered in PHP.

tags | advisory, php, vulnerability
systems | linux, debian
advisories | CVE-2015-2783, CVE-2015-3329, CVE-2015-4021, CVE-2015-4022, CVE-2015-4024, CVE-2015-4025, CVE-2015-4026
MD5 | 474c3a7eae66d3703eb29d567ec59cb4
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