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Inside the MSRC – How we recognize our researchers

2018-02-03 KENNETH 0

Inside the MSRC – How we recognize our researchers This is the first of a series of blog entries to give some insight into the Microsoft Security Response Center (MSRC) business and how we work with security researchers and vulnerability reports. The Microsoft Security Response Center actively recognizes those security researchers who help us to protect our several billion customers and their endpoints in several ways. We split our acknowledgments into three distinct categories, CVE qualified submissions, online services, and bug bounty. It is possible that a single submission will be acknowledged by one or more of these categories. We update our acknowledgements each month with the latest findings and submissions. When it comes to recognizing our researchers through Coordinated Vulnerability Disclosure (CVD), if the finding that was submitted was impactful enough to be addressed in our monthly bulletin release [ more… ]

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USN-3556-2: Dovecot vulnerabilities

2018-02-02 KENNETH 0

USN-3556-2: Dovecot vulnerabilities Ubuntu Security Notice USN-3556-2 1st February, 2018 dovecot vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 LTS Summary Several security issues were fixed in Dovecot. Software description dovecot – IMAP and POP3 email server Details USN-3556-1 fixed vulnerabilities in Dovecot. This updateprovides the corresponding update for Ubuntu 12.04 ESM. It was discovered that Dovecot incorrectly handled certain authentications.An attacker could possibly use this to bypass authentication and accesssensitive information. (CVE-2013-6171) Original advisory details: It was discovered that Dovecot incorrectly handled certain authentications. An attacker could possibly use this to cause a denial of service. (CVE-2017-15132) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 12.04 LTS: dovecot-core 1:2.0.19-0ubuntu2.4 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system update [ more… ]

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USN-3556-1: Dovecot vulnerability

2018-02-02 KENNETH 0

USN-3556-1: Dovecot vulnerability Ubuntu Security Notice USN-3556-1 1st February, 2018 dovecot vulnerability A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 17.10 Ubuntu 16.04 LTS Ubuntu 14.04 LTS Summary Dovecot could be made to crash if it received specially crafted input. Software description dovecot – IMAP and POP3 email server Details It was discovered that Dovecot incorrectly handled certain authentications.An attacker could possibly use this to cause a denial of service. Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 17.10: dovecot-core 1:2.2.27-3ubuntu1.2 Ubuntu 16.04 LTS: dovecot-core 1:2.2.22-1ubuntu2.6 Ubuntu 14.04 LTS: dovecot-core 1:2.2.9-1ubuntu2.3 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 CVE-2017-15132 Source: USN-3556-1: Dovecot vulnerability

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USN-3555-2: w3m vulnerabilities

2018-02-02 KENNETH 0

USN-3555-2: w3m vulnerabilities Ubuntu Security Notice USN-3555-2 1st February, 2018 w3m vulnerabilities A security issue affects these releases of Ubuntu and its derivatives: Ubuntu 12.04 LTS Summary Several security issues were fixed in w3m. Software description w3m – WWW browsable pager with excellent tables/frames support Details USN-3555-2 fixed vulnerabilities in w3m. This updateprovides the corresponding update for Ubuntu 12.04 ESM.Original advisory details: It was discovered that w3m incorrectly handled certain inputs. An attacker could possibly use this to cause a denial of service. (CVE-2018-6196, CVE-2018-6197) It was discovered that w3m incorrectly handled temporary files. An attacker could possibly use this to overwrite arbitrary files. (CVE-2018-6198) Update instructions The problem can be corrected by updating your system to the following package version: Ubuntu 12.04 LTS: w3m 0.5.3-5ubuntu1.3 To update your system, please follow these instructions: https://wiki.ubuntu.com/Security/Upgrades. In general, a standard system [ more… ]

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RHSA-2018:0265-1: Important: chromium-browser security update

2018-02-02 KENNETH 0

RHSA-2018:0265-1: Important: chromium-browser security update Red Hat Enterprise Linux: An update for chromium-browser is now available for Red Hat Enterprise Linux 6 Supplementary. Red Hat Product Security has rated this update as having a security impact of Important. A Common Vulnerability Scoring System (CVSS) base score, which gives a detailed severity rating, is available for each vulnerability from the CVE link(s) in the References section. CVE-2018-6031, CVE-2018-6032, CVE-2018-6033, CVE-2018-6034, CVE-2018-6035, CVE-2018-6036, CVE-2018-6037, CVE-2018-6038, CVE-2018-6039, CVE-2018-6040, CVE-2018-6041, CVE-2018-6042, CVE-2018-6043, CVE-2018-6045, CVE-2018-6046, CVE-2018-6047, CVE-2018-6048, CVE-2018-6049, CVE-2018-6050, CVE-2018-6051, CVE-2018-6052, CVE-2018-6053, CVE-2018-6054 Source: RHSA-2018:0265-1: Important: chromium-browser security update