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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…
High8.8EPSS 16.4%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | High8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 16.4% · top 3.0% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 8.8.
Weakness
Affected products
n/a
- affected n/a
Affected packages
From reviewed advisories of the GitHub Advisory Database.
- RubyGemswebrickGHSA-369m-2gv6-mw28 (opens in a new tab)
References (15)
- USN-3685-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- RHSA-2018:0585 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- USN-3528-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 100853 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-3-5-released/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- RHSA-2018:0378 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1042004 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- DSA-4031 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- https://www.ruby-lang.org/en/news/2017/09/14/ruby-2-2-8-released/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1039363 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- RHSA-2017:3485 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- [debian-lts-announce] 20180714 [SECURITY] [DLA 1421-1] ruby2.1 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2018:0583 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- https://www.ruby-lang.org/en/news/2017/09/14/webrick-basic-auth-escape-sequence-injection-cve-2017-10784/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- GLSA-201710-18 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisory GHSA-369m-2gv6-mw28 (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .