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USN-4221-2: libpcap vulnerability libpcap vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 ESM Summary Applications using libpcap could be made to crash if given specially crafted data. Software Description libpcap – Library for for user-level network packet capture Details USN-4221-1 fixed a vulnerability in libpcap. This update provides the corresponding update for Ubuntu 12.04 ESM. Original advisory details: It was discovered that libpcap did not properly validate PHB headers in some situations. An attacker could use this to cause a denial of service (memory exhaustion). Update instructions The problem can be corrected by updating your system to the following package versions: Ubuntu 12.04 ESM libpcap0.8 – 1.1.1-10ubuntu0.1 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update will make all the necessary changes. References USN-4221-1 CVE-2019-15165 Source: USN-4221-2: libpcap [ more… ]

USN-4239-1: PHP vulnerabilities php5, php7.0, php7.2, php7.3 vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 19.10 Ubuntu 19.04 Ubuntu 18.04 LTS Ubuntu 16.04 LTS Ubuntu 14.04 ESM Ubuntu 12.04 ESM Summary Several security issues were fixed in PHP. Software Description php7.3 – server-side, HTML-embedded scripting language (metapackage) php7.2 – HTML-embedded scripting language interpreter php7.0 – HTML-embedded scripting language interpreter php5 – HTML-embedded scripting language interpreter Details It was discovered that PHP incorrectly handled certain files. An attacker could possibly use this issue to cause a denial of service. This issue only affected Ubuntu 14.04 ESM, 16.04 LTS, 18.04 LTS, 19.04 and 19.10. (CVE-2019-11045) It was discovered that PHP incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. (CVE-2019-11046) It was discovered that PHP incorrectly handled certain images. An attacker [ more… ]

USN-4237-2: SpamAssassin vulnerabilities spamassassin vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 14.04 ESM Ubuntu 12.04 ESM Summary Several security issues were fixed in SpamAssassin. Software Description spamassassin – Perl-based spam filter using text analysis Details USN-4237-1 fixed several vulnerabilities in SpamAssassin. This update provides the corresponding update for Ubuntu 12.04 ESM and 14.04 ESM. Original advisory details: It was discovered that SpamAssassin incorrectly handled certain CF files. If a user or automated system were tricked into using a specially-crafted CF file, a remote attacker could possibly run arbitrary code. (CVE-2018-11805) It was discovered that SpamAssassin incorrectly handled certain messages. A remote attacker could possibly use this issue to cause SpamAssassin to consume resources, resulting in a denial of service. (CVE-2019-12420) Update instructions The problem can be corrected by updating your system to the following [ more… ]