Summary
Ubuntu Update for Linux kernel vulnerabilities USN-549-1
Solution
Please Install the Updated Packages.
Insight
It was discovered that the wordwrap function did not correctly check lengths. Remote attackers could exploit this to cause a crash or monopolize CPU resources, resulting in a denial of service. (CVE-2007-3998)
Integer overflows were discovered in the strspn and strcspn functions.
Attackers could exploit this to read arbitrary areas of memory, possibly gaining access to sensitive information. (CVE-2007-4657)
Stanislav Malyshev discovered that money_format function did not correctly handle certain tokens. If a PHP application were tricked into processing a bad format string, a remote attacker could execute arbitrary code with application privileges. (CVE-2007-4658)
It was discovered that the php_openssl_make_REQ function did not correctly check buffer lengths. A remote attacker could send a specially crafted message and execute arbitrary code with application privileges. (CVE-2007-4662)
It was discovered that certain characters in session cookies were not handled correctly. A remote attacker could injection values which could lead to altered application behavior, potentially gaining additional privileges. (CVE-2007-3799)
Gerhard Wagner discovered that the chunk_split function did not correctly handle long strings. A remote attacker could exploit this to execute arbitrary code with application privileges. (CVE-2007-2872, CVE-2007-4660, CVE-2007-4661)
Stefan Esser discovered that deeply nested arrays could be made to fill stack space. A remote attacker could exploit this to cause a crash or monopolize CPU resources, resulting in a denial of service.
(CVE-2007-1285, CVE-2007-4670)
Rasmus Lerdorf discovered that the htmlentities and htmlspecialchars functions did not correctly stop when handling partial multibyte sequences. A remote attacker could exploit this to read certain areas of memory, possibly gaining access to sensitive information. (CVE-2007-5898)
It was discovered that the output_add_rewrite_var fucntion would sometimes leak session id information to forms targeting remote URLs.
Malicious remote sites could use this information to gain access to a PHP application user's login credentials. (CVE-2007-5899)
Affected
php5 vulnerabilities on Ubuntu 6.06 LTS ,
Ubuntu 6.10 ,
Ubuntu 7.04 ,
Ubuntu 7.10
References
Updated on 2015-03-25
Severity
Classification
-
CVE CVE-2007-1285, CVE-2007-2872, CVE-2007-3799, CVE-2007-3998, CVE-2007-4657, CVE-2007-4658, CVE-2007-4660, CVE-2007-4661, CVE-2007-4662, CVE-2007-4670, CVE-2007-5898, CVE-2007-5899 -
CVSS Base Score: 7.5
AV:N/AC:L/Au:N/C:P/I:P/A:P
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