Ubuntu Essential and Critical Security Patch Updates - Page 381

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Ubuntu: CUPS vulnerabilities

Ubuntu: CUPS vulnerabilities

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It was discovered that the CUPS administration interface contained a heap-based overflow flaw. A local attacker, and a remote attacker if printer sharing is enabled, could send a malicious request and possibly execute arbitrary code as the non-root user in Ubuntu 6.06 LTS, 6.10, and 7.04. In Ubuntu 7.10, attackers would be isolated by the AppArmor CUPS profile. (CVE-2008-0047)

Ubuntu: MySQL regression

Ubuntu: MySQL regression

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USN-588-1 fixed vulnerabilities in MySQL. In fixing CVE-2007-2692 for Ubuntu 6.06, additional improvements were made to make privilege checks more restictive. As a result, an upstream bug was exposed which could cause operations on tables or views in a different database to fail. This update fixes the problem.

Ubuntu: OpenSSH vulnerability USN-597-1

Ubuntu: OpenSSH vulnerability USN-597-1

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Timo Juhani Lindfors discovered that the OpenSSH client, when port forwarding was requested, would listen on any available address family. A local attacker could exploit this flaw on systems with IPv6 enabled to hijack connections, including X11 forwards.

Ubuntu: Ruby vulnerabilities USN-596-1

Ubuntu: Ruby vulnerabilities USN-596-1

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Chris Clark discovered that Ruby's HTTPS module did not check for commonName mismatches early enough during SSL negotiation. If a remote attacker were able to perform man-in-the-middle attacks, this flaw could be exploited to view sensitive information in HTTPS requests coming from Ruby applications. (CVE-2007-5162)

Ubuntu: Dovecot vulnerabilities

Ubuntu: Dovecot vulnerabilities

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It was discovered that the default configuration of dovecot could allow access to any email files with group "mail" without verifying that a user had valid rights. An attacker able to create symlinks in their mail directory could exploit this to read or delete another user's email. (CVE-2008-1199)

Ubuntu: SDL_image vulnerabilities

Ubuntu: SDL_image vulnerabilities

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Michael Skladnikiewicz discovered that SDL_image did not correctly load GIF images. If a user or automated system were tricked into processing a specially crafted GIF, a remote attacker could execute arbitrary code or cause a crash, leading to a denial of service. (CVE-2007-6697) David Raulo discovered that SDL_image did not correctly load ILBM images. If a user or automated system were tricked into processing a specially crafted ILBM, a remote attacker could execute arbitrary code or cause a crash, leading to a denial of service. (CVE-2008-0544)

Ubuntu: bzip2 vulnerability

Ubuntu: bzip2 vulnerability

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It was discovered that bzip2 did not correctly handle certain malformed archives. If a user or automated system were tricked into processing a specially crafted bzip2 archive, applications linked against libbz2 could be made to crash, possibly leading to a denial of service.

Ubuntu: libicu vulnerabilities

Ubuntu: libicu vulnerabilities

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Will Drewry discovered that libicu did not properly handle '\0' when processing regular expressions. If an application linked against libicu processed a crafted regular expression, an attacker could execute arbitrary code with privileges of the user invoking the program.

Ubuntu: unzip vulnerability

Ubuntu: unzip vulnerability

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Tavis Ormandy discovered that unzip did not correctly clean up pointers. If a user or automated service was tricked into processing a specially crafted ZIP archive, a remote attacker could execute arbitrary code with user privileges.

Ubuntu: MySQL vulnerabilities USN-588-1

Ubuntu: MySQL vulnerabilities USN-588-1

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Masaaki Hirose discovered that MySQL could be made to dereference a NULL pointer. An authenticated user could cause a denial of service (application crash) via an EXPLAIN SELECT FROM on the INFORMATION_SCHEMA table. This issue only affects Ubuntu 6.06 and 6.10. (CVE-2006-7232) Alexander Nozdrin discovered that MySQL did not restore database access privileges when returning from SQL SECURITY INVOKER stored routines. An authenticated user could exploit this to gain privileges. This issue does not affect Ubuntu 7.10. (CVE-2007-2692)

Ubuntu: Kerberos vulnerabilities

Ubuntu: Kerberos vulnerabilities

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It was discovered that krb5 did not correctly handle certain krb4 requests. An unauthenticated remote attacker could exploit this flaw by sending a specially crafted traffic, which could expose sensitive information, cause a crash, or execute arbitrary code. (CVE-2008-0062, CVE-2008-0063)

Ubuntu: Python vulnerabilities USN-585-1

Ubuntu: Python vulnerabilities USN-585-1

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Piotr Engelking discovered that strxfrm in Python was not correctly calculating the size of the destination buffer. This could lead to small information leaks, which might be used by attackers to gain additional knowledge about the state of a running Python script. (CVE-2007-2052) A flaw was discovered in the Python imageop module. If a script using the module could be tricked into processing a specially crafted set of arguments, a remote attacker could execute arbitrary code, or cause the application to crash. (CVE-2007-4965)

Ubuntu: OpenLDAP vulnerabilities

Ubuntu: OpenLDAP vulnerabilities

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Jonathan Clarke discovered that the OpenLDAP slapd server did not properly handle modify requests when using the Berkeley DB backend and the NOOP control was used. An authenticated user with modify permissions could send a crafted modify request and cause a denial of service via application crash. Ubuntu 7.10 is not affected by this issue. (CVE-2007-6698)

Ubuntu: Thunderbird vulnerabilities USN-582-1

Ubuntu: Thunderbird vulnerabilities USN-582-1

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It was discovered that Thunderbird did not properly set the size of a buffer when parsing an external-body MIME-type. If a user were to open a specially crafted email, an attacker could cause a denial of service via application crash or possibly execute arbitrary code as the user.

Ubuntu: PCRE vulnerability USN-581-1

Ubuntu: PCRE vulnerability USN-581-1

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It was discovered that PCRE did not correctly handle very long strings containing UTF8 sequences. In certain situations, an attacker could exploit applications linked against PCRE by tricking a user or automated system in processing a malicious regular expression leading to a denial of service or possibly arbitrary code execution.

Ubuntu: libcdio vulnerability

Ubuntu: libcdio vulnerability

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Devon Miller discovered that the iso-info and cd-info tools did not properly perform bounds checking. If a user were tricked into using these tools with a crafted iso image, an attacker could cause a denial of service via a core dump, and possibly execute arbitrary code.

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