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CVE-2011-2483

Status Candidate

Overview

crypt_blowfish before 1.1, as used in PHP before 5.3.7 on certain platforms, PostgreSQL before 8.4.9, and other products, does not properly handle 8-bit characters, which makes it easier for context-dependent attackers to determine a cleartext password by leveraging knowledge of a password hash.

Related Files

Mandriva Linux Security Advisory 2012-071
Posted May 10, 2012
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2012-071 - This is a bugfix and security advisory that upgrades php to the latest 5.3.13 version for Mandriva Linux Enterprise 5.2 which resolves numerous upstream bugs in php.

tags | advisory, php
systems | linux, mandriva
advisories | CVE-2011-1148, CVE-2011-1657, CVE-2011-1938, CVE-2011-2202, CVE-2011-2483, CVE-2011-3182, CVE-2011-3267, CVE-2011-3268, CVE-2011-3379, CVE-2011-2483, CVE-2011-4566, CVE-2011-4885, CVE-2012-0788, CVE-2012-0807, CVE-2012-0830, CVE-2012-0831, CVE-2012-1172, CVE-2012-1823, CVE-2012-1823, CVE-2012-2335, CVE-2012-2336
MD5 | f031e64124033b6bfd062d5ee8bdec36
HP Security Bulletin HPSBMU02764 SSRT100827 2
Posted Apr 20, 2012
Authored by HP | Site hp.com

HP Security Bulletin HPSBMU02764 SSRT100827 2 - Potential security vulnerabilities have been identified with HP System Management Homepage (SMH) running on Linux and Windows. The vulnerabilities could be exploited remotely and locally resulting in cross site request forgery (CSRF), Denial of Service (DoS), execution of arbitrary code, and other vulnerabilities. Revision 2 of this advisory.

tags | advisory, denial of service, arbitrary, vulnerability, csrf
systems | linux, windows
advisories | CVE-2009-0037, CVE-2010-0734, CVE-2010-1452, CVE-2010-1623, CVE-2010-2068, CVE-2010-2791, CVE-2010-3436, CVE-2010-4409, CVE-2010-4645, CVE-2011-0014, CVE-2011-0195, CVE-2011-0419, CVE-2011-1148, CVE-2011-1153, CVE-2011-1464, CVE-2011-1467, CVE-2011-1468, CVE-2011-1470, CVE-2011-1471, CVE-2011-1928, CVE-2011-1938, CVE-2011-1945, CVE-2011-2192, CVE-2011-2202, CVE-2011-2483, CVE-2011-3182, CVE-2011-3189, CVE-2011-3192
MD5 | aff846af673c7b44d692485afd250089
HP Security Bulletin HPSBMU02764 SSRT100827
Posted Apr 17, 2012
Authored by HP | Site hp.com

HP Security Bulletin HPSBMU02764 SSRT100827 - Potential security vulnerabilities have been identified with HP System Management Homepage (SMH) running on Linux and Windows. The vulnerabilities could be exploited remotely and locally resulting in cross site request forgery (CSRF), Denial of Service (DoS), execution of arbitrary code, and other vulnerabilities. Revision 1 of this advisory.

tags | advisory, denial of service, arbitrary, vulnerability, csrf
systems | linux, windows
advisories | CVE-2009-0037, CVE-2010-0734, CVE-2010-1452, CVE-2010-1623, CVE-2010-2068, CVE-2010-2791, CVE-2010-3436, CVE-2010-4409, CVE-2010-4645, CVE-2011-0014, CVE-2011-0195, CVE-2011-0419, CVE-2011-1148, CVE-2011-1153, CVE-2011-1464, CVE-2011-1467, CVE-2011-1468, CVE-2011-1470, CVE-2011-1471, CVE-2011-1928, CVE-2011-1938, CVE-2011-1945, CVE-2011-2192, CVE-2011-2202, CVE-2011-2483, CVE-2011-3182, CVE-2011-3189, CVE-2011-3192
MD5 | 230e5876c2c2c77609e110526b8cc06b
Apple Security Advisory 2012-02-01-1
Posted Feb 3, 2012
Authored by Apple | Site apple.com

Apple Security Advisory 2012-02-01-1 - Apple has addressed 48 security vulnerabilities. These issues existed in packages such as Address Book, Apache, CFNetwork, ColorSync, CoreAudio, CoreMedia, CoreText, curl and much more.

tags | advisory, vulnerability
systems | apple
advisories | CVE-2010-1637, CVE-2010-2813, CVE-2010-4554, CVE-2010-4555, CVE-2011-0200, CVE-2011-0241, CVE-2011-1148, CVE-2011-1167, CVE-2011-1657, CVE-2011-1752, CVE-2011-1783, CVE-2011-1921, CVE-2011-1938, CVE-2011-2023, CVE-2011-2192, CVE-2011-2202, CVE-2011-2204, CVE-2011-2483, CVE-2011-2895, CVE-2011-2937, CVE-2011-3182, CVE-2011-3189, CVE-2011-3246, CVE-2011-3248, CVE-2011-3249, CVE-2011-3250, CVE-2011-3252, CVE-2011-3256
MD5 | 8fe868bea54053b8adeccaecf10eb251
Debian Security Advisory 2399-2
Posted Feb 1, 2012
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2399-2 - A regression was found in the fix for PHP's XSLT transformations. Updated packages are now available to address this regression.

tags | advisory, php
systems | linux, debian
advisories | CVE-2011-1938, CVE-2011-2483, CVE-2011-4566, CVE-2011-4885, CVE-2012-0057
MD5 | d66227365d387c7a49e4928c2a78ec86
Debian Security Advisory 2399-1
Posted Feb 1, 2012
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2399-1 - Several vulnerabilities have been discovered in PHP, the web scripting language.

tags | advisory, web, php, vulnerability
systems | linux, debian
advisories | CVE-2011-1938, CVE-2011-2483, CVE-2011-4566, CVE-2011-4885, CVE-2012-0057
MD5 | 1f2cc867fd5ec819484697ce637b6e50
Mandriva Linux Security Advisory 2011-180
Posted Nov 29, 2011
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2011-180 - crypt_blowfish before 1.1, as used in suhosin does not properly handle 8-bit characters, which makes it easier for context-dependent attackers to determine a cleartext password by leveraging knowledge of a password hash. The updated packages have been patched to correct this issue.

tags | advisory
systems | linux, mandriva
advisories | CVE-2011-2483
MD5 | 01ab194abf58d17b2acb3d352ec515e0
Mandriva Linux Security Advisory 2011-179
Posted Nov 27, 2011
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2011-179 - The addmntent function in the GNU C Library 2.13 and earlier does not report an error status for failed attempts to write to the /etc/mtab file, which makes it easier for local users to trigger corruption of this file, as demonstrated by writes from a process with a small RLIMIT_FSIZE value, a different vulnerability than CVE-2010-0296. Integer overflow in posix/fnmatch.c in the GNU C Library (aka glibc or libc6) 2.13 and earlier allows context-dependent attackers to cause a denial of service via a long UTF8 string that is used in an fnmatch call with a crafted pattern argument, a different vulnerability than CVE-2011-1071. crypt_blowfish before 1.1, as used in glibc on certain platforms, does not properly handle 8-bit characters, which makes it easier for context-dependent attackers to determine a cleartext password by leveraging knowledge of a password hash. The updated packages have been patched to correct these issues.

tags | advisory, denial of service, overflow, local
systems | linux, osx, mandriva
advisories | CVE-2011-1089, CVE-2011-1659, CVE-2011-2483
MD5 | f4a5883b938edc452a314e4c2ec2e3df
Mandriva Linux Security Advisory 2011-178
Posted Nov 25, 2011
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2011-178 - Multiple untrusted search path vulnerabilities in elf/dl-object.c in certain modified versions of the GNU C Library, including glibc-2.5-49.el5_5.6 and glibc-2.12-1.7.el6_0.3 in Red Hat Enterprise Linux, allow local users to gain privileges via a crafted dynamic shared object in a subdirectory of the current working directory during execution of a setgid program that has in RUNPATH. Various other issues have also been addressed. The updated packages have been patched to correct these issues.

tags | advisory, local, vulnerability
systems | linux, redhat, mandriva
advisories | CVE-2011-0536, CVE-2011-1071, CVE-2011-1089, CVE-2011-1095, CVE-2011-1659, CVE-2011-2483
MD5 | f3faceea5dda8d6e65979e92461ca1c5
Debian Security Advisory 2340-1
Posted Nov 8, 2011
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2340-1 - magnum discovered that the blowfish password hashing used amongst others in PostgreSQL contained a weakness that would give passwords with 8 bit characters the same hash as weaker equivalents.

tags | advisory
systems | linux, debian
advisories | CVE-2011-2483
MD5 | 7ed05156c8a57010446ebf3bc6aff949
Mandriva Linux Security Advisory 2011-165
Posted Nov 3, 2011
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2011-165 - Multiple vulnerabilities have been identified and fixed in php. Use-after-free vulnerability in the substr_replace function in PHP 5.3.6 and earlier allows context-dependent attackers to cause a denial of service or possibly have unspecified other impact by using the same variable for multiple arguments. The ZipArchive::addPattern functions in ext/zip/php_zip.c in PHP 5.3.6 allow context-dependent attackers to cause a denial of service via certain flags arguments, as demonstrated by GLOB_APPEND. Stack-based buffer overflow in the socket_connect function in ext/sockets/sockets.c in PHP 5.3.3 through 5.3.6 might allow context-dependent attackers to execute arbitrary code via a long pathname for a UNIX socket. Various other issues were also addressed.

tags | advisory, denial of service, overflow, arbitrary, php, vulnerability
systems | linux, unix, mandriva
advisories | CVE-2011-1148, CVE-2011-1657, CVE-2011-1938, CVE-2011-2202, CVE-2011-2483, CVE-2011-3182, CVE-2011-3267, CVE-2011-3268
MD5 | 55ee15c53b595d90d225039a16ca7ae3
Red Hat Security Advisory 2011-1423-01
Posted Nov 3, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1423-01 - PHP is an HTML-embedded scripting language commonly used with the Apache HTTP Server. A signedness issue was found in the way the PHP crypt() function handled 8-bit characters in passwords when using Blowfish hashing. Up to three characters immediately preceding a non-ASCII character had no effect on the hash result, thus shortening the effective password length. This made brute-force guessing more efficient as several different passwords were hashed to the same value.

tags | advisory, web, php
systems | linux, redhat
advisories | CVE-2011-0708, CVE-2011-1148, CVE-2011-1466, CVE-2011-1468, CVE-2011-1469, CVE-2011-1471, CVE-2011-1938, CVE-2011-2202, CVE-2011-2483
MD5 | 57edf89e5b8e62dead56ef52361565ab
Gentoo Linux Security Advisory 201110-22
Posted Oct 25, 2011
Authored by Gentoo | Site security.gentoo.org

Gentoo Linux Security Advisory 201110-22 - Multiple vulnerabilities in the PostgreSQL server and client allow remote attackers to conduct several attacks, including the execution of arbitrary code and denial of service. Versions less than or equal to 9 are affected.

tags | advisory, remote, denial of service, arbitrary, vulnerability
systems | linux, gentoo
advisories | CVE-2009-0922, CVE-2009-3229, CVE-2009-3230, CVE-2009-3231, CVE-2009-4034, CVE-2009-4136, CVE-2010-0442, CVE-2010-0733, CVE-2010-1169, CVE-2010-1170, CVE-2010-1447, CVE-2010-1975, CVE-2010-3433, CVE-2010-4015, CVE-2011-2483
MD5 | f7d036f0c50c94edf6b793b5e129be78
Mandriva Linux Security Advisory 2011-161
Posted Oct 25, 2011
Authored by Mandriva | Site mandriva.com

Mandriva Linux Security Advisory 2011-161 - contrib/pg_crypto's blowfish encryption code could give wrong results on platforms where char is signed (which is most), leading to encrypted passwords being weaker than they should be. Additionally corrected ossp-uuid packages as well as corrected support in postgresql 9.0.x are being provided for Mandriva Linux 2011. This update provides a solution to this vulnerability.

tags | advisory
systems | linux, mandriva
advisories | CVE-2011-2483
MD5 | a8662054bf78f17bc6fbe898afa18e71
Ubuntu Security Notice USN-1231-1
Posted Oct 18, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1231-1 - Mateusz Kocielski, Marek Kroemeke and Filip Palian discovered that a stack-based buffer overflow existed in the socket_connect function's handling of long pathnames for AF_UNIX sockets. A remote attacker might be able to exploit this to execute arbitrary code; however, the default compiler options for affected releases should reduce the vulnerability to a denial of service. This issue affected Ubuntu 10.04 LTS, Ubuntu 10.10 and Ubuntu 11.04. Krzysztof Kotowicz discovered that the PHP post handler function does not properly restrict filenames in multipart/form-data POST requests. This may allow remote attackers to conduct absolute path traversal attacks and possibly create or overwrite arbitrary files. This issue affected Ubuntu 8.04 LTS, Ubuntu 10.04 LTS, Ubuntu 10.10 and Ubuntu 11.04. Various other issues were also addressed.

tags | advisory, remote, denial of service, overflow, arbitrary, php
systems | linux, ubuntu
advisories | CVE-2010-1914, CVE-2010-2484, CVE-2011-1657, CVE-2011-1938, CVE-2011-2202, CVE-2011-2483, CVE-2011-3182, CVE-2011-3267
MD5 | 5abf0399f4bdb280ef482df2defc103e
Red Hat Security Advisory 2011-1378-01
Posted Oct 17, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1378-01 - PostgreSQL is an advanced object-relational database management system. A signedness issue was found in the way the crypt() function in the PostgreSQL pgcrypto module handled 8-bit characters in passwords when using Blowfish hashing. Up to three characters immediately preceding a non-ASCII character had no effect on the hash result, thus shortening the effective password length. This made brute-force guessing more efficient as several different passwords were hashed to the same value.

tags | advisory
systems | linux, redhat
advisories | CVE-2011-2483
MD5 | d429b9a9e1cdfb63709c0fe03beb0598
Red Hat Security Advisory 2011-1377-01
Posted Oct 17, 2011
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2011-1377-01 - PostgreSQL is an advanced object-relational database management system. A signedness issue was found in the way the crypt() function in the PostgreSQL pgcrypto module handled 8-bit characters in passwords when using Blowfish hashing. Up to three characters immediately preceding a non-ASCII character had no effect on the hash result, thus shortening the effective password length. This made brute-force guessing more efficient as several different passwords were hashed to the same value.

tags | advisory
systems | linux, redhat
advisories | CVE-2011-2483
MD5 | 106d651153f2bfa2304df0d4bf2c234a
Ubuntu Security Notice USN-1229-1
Posted Oct 14, 2011
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 1229-1 - It was discovered that the blowfish algorithm in the pgcrypto module incorrectly handled certain 8-bit characters, resulting in the password hashes being easier to crack than expected. An attacker who could obtain the password hashes would be able to recover the plaintext with less effort.

tags | advisory
systems | linux, ubuntu
advisories | CVE-2011-2483
MD5 | f14210cdf34645b933ff2636e8d74269
Slackware Security Advisory - PHP Updates
Posted Aug 25, 2011
Authored by Slackware Security Team | Site slackware.com

Slackware Security Advisory - New php packages are available for Slackware 11.0, 12.0, 12.1, 12.2, 13.0, 13.1, 13.37, and -current to fix security issues.

tags | advisory, php
systems | linux, slackware
advisories | CVE-2011-1148, CVE-2011-1938, CVE-2011-2202, CVE-2011-2483
MD5 | 6c04f10a0fbac3e86566069f5872fb5f
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