Affected: HackerOne RubyGems

RubyGems version 2.6.12 and earlier fails to validate specification names, allowing a maliciously crafted gem to potentially overwrite any file on the filesystem.

Affected: Ubuntu:14.04:LTS: ruby1.9.1

It was discovered that Ruby incorrectly handled certain inputs. An attacker could use this to cause a buffer overrun. (CVE-2017-0898)

Yusuke Endoh discovered that Ruby incorrectly handled certain files. An attacker could use this to execute terminal escape sequences. (CVE-2017-0899)

Yusuke Endoh discovered that Ruby incorrectly handled certain inputs. An attacker could use this to cause a denial of service. (CVE-2017-0900)

It was discovered that Ruby incorrectly handled certain files. An attacker could use this to overwrite any file on the filesystem. (CVE-2017-0901)

It was discovered that Ruby incorrectly handled certain inputs. An attacker could use this to execute arbitrary code. (CVE-2017-10784)

It was discovered that Ruby incorrectly handled certain inputs. An attacker could use this to cause a denial of service. (CVE-2017-14033)

It was discovered that Ruby incorrectly handled certain files. An attacker could use this to expose sensitive information. (CVE-2017-14064)