CVE-2021-36155

CVSS V2 Medium 5 CVSS V3 High 7.5
Description
LengthPrefixedMessageReader in gRPC Swift 1.1.0 and earlier allocates buffers of arbitrary length, which allows remote attackers to cause uncontrolled resource consumption and deny service.
Overview
  • CVE ID
  • CVE-2021-36155
  • Assigner
  • cve@mitre.org
  • Vulnerability Status
  • Analyzed
  • Published Version
  • 2021-07-09T12:15:08
  • Last Modified Date
  • 2022-04-25T19:53:11
Weakness Enumerations
CWE URL
CWE-770 http://cwe.mitre.org/data/definitions/770.html
CPE Configuration (Product)
CPE Vulnerable Operator Version Start Version End
cpe:2.3:a:linuxfoundation:grpc_swift:1.0.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linuxfoundation:grpc_swift:1.1.0:*:*:*:*:*:*:* 1 OR
cpe:2.3:a:linuxfoundation:grpc_swift:1.1.1:*:*:*:*:*:*:* 1 OR
CVSS Version 2
  • Version
  • 2.0
  • Vector String
  • AV:N/AC:L/Au:N/C:N/I:N/A:P
  • Access Vector
  • NETWORK
  • Access Compatibility
  • LOW
  • Authentication
  • NONE
  • Confidentiality Impact
  • NONE
  • Integrity Impact
  • NONE
  • Availability Impact
  • PARTIAL
  • Base Score
  • 5
  • Severity
  • MEDIUM
  • Exploitability Score
  • 10
  • Impact Score
  • 2.9
CVSS Version 3
  • Version
  • 3.1
  • Vector String
  • CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
  • Attack Vector
  • NETWORK
  • Attack Compatibility
  • LOW
  • Privileges Required
  • NONE
  • User Interaction
  • NONE
  • Scope
  • UNCHANGED
  • Confidentiality Impact
  • NONE
  • Availability Impact
  • HIGH
  • Base Score
  • 7.5
  • Base Severity
  • HIGH
  • Exploitability Score
  • 3.9
  • Impact Score
  • 3.6
References
Reference URL Reference Tags
https://github.com/grpc/grpc-swift/security/advisories/GHSA-rxmj-hg9v-vp3p Third Party Advisory
https://github.com/grpc/grpc-swift/releases Release Notes Third Party Advisory
https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35303 Mailing List Third Party Advisory
Sources
Source Name Source URL
NIST https://nvd.nist.gov/vuln/detail/CVE-2021-36155
MITRE https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-36155
History
Created Old Value New Value Data Type Notes
2022-05-10 06:26:43 Added to TrackCVE
2022-12-05 05:40:52 2021-07-09T12:15Z 2021-07-09T12:15:08 CVE Published Date updated
2022-12-05 05:40:52 2022-04-25T19:53:11 CVE Modified Date updated
2022-12-05 05:40:52 Analyzed Vulnerability Status updated