CVE-2018-8778

Published: Apr 3, 2018Modified: Nov 21, 2024

7.5

Vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Exploitability: 3.9 / Impact: 3.6

Source: NVD

Description

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.

Affected (16)

Products: Ruby Lang: Ruby · Canonical: Ubuntu Linux · Debian: Debian Linux · +1 more

Show all products

Ruby Lang: Ruby · Canonical: Ubuntu Linux · Debian: Debian Linux · Redhat: Enterprise Linux

1 product

1 product

1 product

1 product

Enterprise Linux

Configuration A

5 vulnerable

Vulnerable Software	Affected Versions
Ruby Lang Ruby	From 2.2.0 to 2.2.10
Ruby Lang Ruby	From 2.3.0 to 2.3.7
Ruby Lang Ruby	From 2.4.0 to 2.4.4
Ruby Lang Ruby	From 2.5.0 to 2.5.1
Ruby Lang Ruby	Version 2.6.0 preview1

Configuration B

3 vulnerable

Vulnerable Software	Affected Versions
Canonical Ubuntu Linux	Version 14.04
Canonical Ubuntu Linux	Version 16.04
Canonical Ubuntu Linux	Version 17.10

Configuration C

3 vulnerable

Vulnerable Software	Affected Versions
Debian Debian Linux	Version 7.0
Debian Debian Linux	Version 8.0
Debian Debian Linux	Version 9.0

Configuration D

5 vulnerable

Vulnerable Software	Affected Versions
Redhat Enterprise Linux	Version 6.0
Redhat Enterprise Linux	Version 7.0
Redhat Enterprise Linux	Version 7.4
Redhat Enterprise Linux	Version 7.5
Redhat Enterprise Linux	Version 7.6

Related CWEs

Use of Externally-Controlled Format String

The product uses a function that accepts a format string as an argument, but the format string originates from an external source.

References (34)

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html

Source: cve@mitre.org

http://www.securityfocus.com/bid/103693

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1042004

Source: cve@mitre.org

Third Party AdvisoryVDB Entry

https://access.redhat.com/errata/RHSA-2018:3729

Source: cve@mitre.org

Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:3730

Source: cve@mitre.org

Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:3731

Source: cve@mitre.org

Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:2028

Source: cve@mitre.org

https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://lists.debian.org/debian-lts-announce/2018/04/msg00024.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html

Source: cve@mitre.org

Mailing ListThird Party Advisory

https://usn.ubuntu.com/3626-1/

Source: cve@mitre.org

Third Party Advisory

https://www.debian.org/security/2018/dsa-4259

Source: cve@mitre.org

Third Party Advisory

https://www.ruby-lang.org/en/news/2018/03/28/buffer-under-read-unpack-cve-2018-8778/

Source: cve@mitre.org

Vendor Advisory

https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/

Source: cve@mitre.org

PatchVendor Advisory

https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/

Source: cve@mitre.org

PatchVendor Advisory

https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/

Source: cve@mitre.org

PatchVendor Advisory

https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/

Source: cve@mitre.org

PatchVendor Advisory

http://lists.opensuse.org/opensuse-security-announce/2019-07/msg00036.html

Source: af854a3a-2127-422b-91ae-364da2661108

http://www.securityfocus.com/bid/103693

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

http://www.securitytracker.com/id/1042004

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party AdvisoryVDB Entry

https://access.redhat.com/errata/RHSA-2018:3729

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:3730

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://access.redhat.com/errata/RHSA-2018:3731

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://access.redhat.com/errata/RHSA-2019:2028

Source: af854a3a-2127-422b-91ae-364da2661108

https://lists.debian.org/debian-lts-announce/2018/04/msg00023.html

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

https://lists.debian.org/debian-lts-announce/2018/04/msg00024.html

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html

Source: af854a3a-2127-422b-91ae-364da2661108

Mailing ListThird Party Advisory

https://usn.ubuntu.com/3626-1/

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://www.debian.org/security/2018/dsa-4259

Source: af854a3a-2127-422b-91ae-364da2661108

Third Party Advisory

https://www.ruby-lang.org/en/news/2018/03/28/buffer-under-read-unpack-cve-2018-8778/

Source: af854a3a-2127-422b-91ae-364da2661108

Vendor Advisory

https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-2-10-released/

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-3-7-released/

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-4-4-released/

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

https://www.ruby-lang.org/en/news/2018/03/28/ruby-2-5-1-released/

Source: af854a3a-2127-422b-91ae-364da2661108

PatchVendor Advisory

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