Vulnerability Monitor

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CVE-2018-8778

In Ruby before 2.2.10, 2.3.x before 2.3.7, 2.4.x before 2.4.4, 2.5.x before 2.5.1, and 2.6.0-preview1, an attacker controlling the unpacking format (similar to format string vulnerabilities) can trigger a buffer under-read in the String#unpack method, resulting in a massive and controlled information disclosure.

Published

2018-04-03T22:29:00.773

Last Modified

2024-11-21T04:14:17.550

Status

Modified

Source

[email protected]

Severity

CVSSv3.0: 7.5 (HIGH)

CVSSv2 Vector

AV:N/AC:L/Au:N/C:P/I:N/A:N

  • Access Vector: NETWORK
  • Access Complexity: LOW
  • Authentication: NONE
  • Confidentiality Impact: PARTIAL
  • Integrity Impact: NONE
  • Availability Impact: NONE
Exploitability Score

10.0

Impact Score

2.9

Weaknesses
  • Type: Primary
    CWE-134
Affected Vendors & Products
Type Vendor Product Version/Range Vulnerable?
Application ruby-lang ruby < 2.2.10 Yes
Application ruby-lang ruby < 2.3.7 Yes
Application ruby-lang ruby < 2.4.4 Yes
Application ruby-lang ruby < 2.5.1 Yes
Application ruby-lang ruby 2.6.0 Yes
Operating System canonical ubuntu_linux 14.04 Yes
Operating System canonical ubuntu_linux 16.04 Yes
Operating System canonical ubuntu_linux 17.10 Yes
Operating System debian debian_linux 7.0 Yes
Operating System debian debian_linux 8.0 Yes
Operating System debian debian_linux 9.0 Yes
Operating System redhat enterprise_linux 6.0 Yes
Operating System redhat enterprise_linux 7.0 Yes
Operating System redhat enterprise_linux 7.4 Yes
Operating System redhat enterprise_linux 7.5 Yes
Operating System redhat enterprise_linux 7.6 Yes
References