Description
An issue was discovered in Ruby 2.5.x through 2.5.7, 2.6.x through 2.6.5, and 2.7.0. If a victim calls BasicSocket#read_nonblock(requested_size, buffer, exception: false), the method resizes the buffer to fit the requested size, but no data is copied. Thus, the buffer string provides the previous value of the heap. This may expose possibly sensitive data from the interpreter.
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Remediation
No vendor fix or workaround currently provided.
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Tracking
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Advisories
| Source | ID | Title |
|---|---|---|
Debian DSA |
DSA-4721-1 | ruby2.5 security update |
EUVD |
EUVD-2020-3339 | An issue was discovered in Ruby 2.5.x through 2.5.7, 2.6.x through 2.6.5, and 2.7.0. If a victim calls BasicSocket#read_nonblock(requested_size, buffer, exception: false), the method resizes the buffer to fit the requested size, but no data is copied. Thus, the buffer string provides the previous value of the heap. This may expose possibly sensitive data from the interpreter. |
Ubuntu USN |
USN-4882-1 | Ruby vulnerabilities |
References
History
No history.
Status: PUBLISHED
Assigner: mitre
Published:
Updated: 2024-08-04T11:21:13.597Z
Reserved: 2020-03-24T00:00:00.000Z
Link: CVE-2020-10933
No data.
Status : Modified
Published: 2020-05-04T15:15:13.963
Modified: 2024-11-21T04:56:23.987
Link: CVE-2020-10933
OpenCVE Enrichment
No data.
Debian DSA
EUVD
Ubuntu USN