SB2023020708 - Multiple vulnerabilities in Rack for Ruby
Published: February 7, 2023
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 3 secuirty vulnerabilities.
1) Resource exhaustion (CVE-ID: CVE-2022-44572)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when parsing Content-Disposition header in lib/rack/multipart/parser.rb. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
2) Resource exhaustion (CVE-ID: CVE-2022-44571)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources when parsing Content-Disposition header in lib/rack/multipart/parser.rb. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
3) Resource exhaustion (CVE-ID: CVE-2022-44570)
The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.
The vulnerability exists due to application does not properly control consumption of internal resources within the get_byte_ranges() function in lib/rack/utils.rb when parsing the Range header. A remote attacker can trigger resource exhaustion and perform a denial of service (DoS) attack.
Remediation
Install update from vendor's website.
References
- https://github.com/rack/rack/commit/a493640cd89aec9c148bc9d22c5f938ca9ed0dfa
- https://bugzilla.redhat.com/show_bug.cgi?id=2164722
- https://bugzilla.suse.com/show_bug.cgi?id=1207596
- https://github.com/rack/rack/commit/b79bb5ac6e7478aa02f624bd9ef00b25c2502af5
- https://bugzilla.redhat.com/show_bug.cgi?id=2164714
- https://bugzilla.suse.com/show_bug.cgi?id=1207599
- https://github.com/rack/rack/commit/7a9d76a7850455a5ef9403203ea757ed110e7806
- https://bugzilla.redhat.com/show_bug.cgi?id=2164719
- https://bugzilla.suse.com/show_bug.cgi?id=1207597