- ------------------------------------------------------------------------- Debian Security Advisory DSA-4031-1 This email address is being protected from spambots. You need JavaScript enabled to view it. https://www.debian.org/security/ Salvatore Bonaccorso November 11, 2017 https://www.debian.org/security/faq - ------------------------------------------------------------------------- Package : ruby2.3 CVE ID : CVE-2017-0898 CVE-2017-0903 CVE-2017-10784 CVE-2017-14033 Debian Bug : 875928 875931 875936 879231 Several vulnerabilities have been discovered in the interpreter for the Ruby language. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2017-0898 aerodudrizzt reported a buffer underrun vulnerability in the sprintf method of the Kernel module resulting in heap memory corruption or information disclosure from the heap. CVE-2017-0903 Max Justicz reported that RubyGems is prone to an unsafe object deserialization vulnerability. When parsed by an application which processes gems, a specially crafted YAML formatted gem specification can lead to remote code execution. CVE-2017-10784 Yusuke Endoh discovered an escape sequence injection vulnerability in the Basic authentication of WEBrick. An attacker can take advantage of this flaw to inject malicious escape sequences to the WEBrick log and potentially execute control characters on the victim's terminal emulator when reading logs. CVE-2017-14033 asac reported a buffer underrun vulnerability in the OpenSSL extension. A remote attacker can take advantage of this flaw to cause the Ruby interpreter to crash leading to a denial of service. For the stable distribution (stretch), these problems have been fixed in version 2.3.3-1+deb9u2. We recommend that you upgrade your ruby2.3 packages. Further information about Debian Security Advisories, how to apply these updates to your system and frequently asked questions can be found at: https://www.debian.org/security/ Mailing list: This email address is being protected from spambots. You need JavaScript enabled to view it.
Debian: DSA-4031-1: ruby2.3 security update
Several vulnerabilities have been discovered in the interpreter for the Ruby language. The Common Vulnerabilities and Exposures project identifies the following problems:
