Vulnerability Monitor

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CVE-2017-10784

The Basic authentication code in WEBrick library in Ruby before 2.2.8, 2.3.x before 2.3.5, and 2.4.x through 2.4.1 allows remote attackers to inject terminal emulator escape sequences into its log and possibly execute arbitrary commands via a crafted user name.

Published

2017-09-19T17:29:00.263

Last Modified

2025-04-20T01:37:25.860

Status

Deferred

Source

[email protected]

Severity

CVSSv3.0: 8.8 (HIGH)

CVSSv2 Vector

AV:N/AC:M/Au:N/C:C/I:C/A:C

Access Vector: NETWORK
Access Complexity: MEDIUM
Authentication: NONE
Confidentiality Impact: COMPLETE
Integrity Impact: COMPLETE
Availability Impact: COMPLETE

Exploitability Score

8.6

Impact Score

10.0

Weaknesses

Type: Primary
CWE-287

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	ruby-lang	ruby	≤ 2.2.7	Yes
Application	ruby-lang	ruby	2.3.0	Yes
Application	ruby-lang	ruby	2.3.0	Yes
Application	ruby-lang	ruby	2.3.0	Yes
Application	ruby-lang	ruby	2.3.1	Yes
Application	ruby-lang	ruby	2.3.2	Yes
Application	ruby-lang	ruby	2.3.3	Yes
Application	ruby-lang	ruby	2.3.4	Yes
Application	ruby-lang	ruby	2.4.0	Yes
Application	ruby-lang	ruby	2.4.0	Yes
Application	ruby-lang	ruby	2.4.0	Yes
Application	ruby-lang	ruby	2.4.0	Yes
Application	ruby-lang	ruby	2.4.0	Yes
Application	ruby-lang	ruby	2.4.1	Yes

References

http://www.securityfocus.com/bid/100853 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1039363 Third Party Advisory, VDB Entry ([email protected])
http://www.securitytracker.com/id/1042004 ([email protected])
https://access.redhat.com/errata/RHSA-2017:3485 ([email protected])
https://access.redhat.com/errata/RHSA-2018:0378 ([email protected])
https://access.redhat.com/errata/RHSA-2018:0583 ([email protected])
https://access.redhat.com/errata/RHSA-2018:0585 ([email protected])
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html ([email protected])
https://security.gentoo.org/glsa/201710-18 ([email protected])
https://usn.ubuntu.com/3528-1/ ([email protected])
https://usn.ubuntu.com/3685-1/ ([email protected])
https://www.debian.org/security/2017/dsa-4031 ([email protected])
https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-2-8-released/ Patch, Vendor Advisory ([email protected])
https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-3-5-released/ Patch, Vendor Advisory ([email protected])
https://www.ruby-lang.org/en/news/2017/09/14/webrick-basic-auth-escape-sequence-injection-cve-2017-10784/ Vendor Advisory ([email protected])
http://www.securityfocus.com/bid/100853 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1039363 Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
http://www.securitytracker.com/id/1042004 (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2017:3485 (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:0378 (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:0583 (af854a3a-2127-422b-91ae-364da2661108)
https://access.redhat.com/errata/RHSA-2018:0585 (af854a3a-2127-422b-91ae-364da2661108)
https://lists.debian.org/debian-lts-announce/2018/07/msg00012.html (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201710-18 (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3528-1/ (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3685-1/ (af854a3a-2127-422b-91ae-364da2661108)
https://www.debian.org/security/2017/dsa-4031 (af854a3a-2127-422b-91ae-364da2661108)
https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-2-8-released/ Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-3-5-released/ Patch, Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://www.ruby-lang.org/en/news/2017/09/14/webrick-basic-auth-escape-sequence-injection-cve-2017-10784/ Vendor Advisory (af854a3a-2127-422b-91ae-364da2661108)