Vulnerability Report

CVE-2021-36155

RCE

Title: Linuxfoundation Grpc Swift RCE

RCE

Proof Of Concept

No public PoC currently indexed for CVE-2021-36155.

CWE Category CWE-770

Published Date Jul 09, 2021

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 7.5 CVSS v3.1

Exploit Probability (EPSS)

0.85%

Vulnerability Summary

CVE-2021-36155: 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.

Impacted Vendors

linuxfoundation 1

Reference Links

https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35303 https://github.com/grpc/grpc-swift/releases https://github.com/grpc/grpc-swift/security/advisories/GHSA-rxmj-hg9v-vp3p https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=35303 https://github.com/grpc/grpc-swift/releases https://github.com/grpc/grpc-swift/security/advisories/GHSA-rxmj-hg9v-vp3p

CVSS v3.1

Source Entity [email protected]

Severity HIGH

7.5

Attack Vector

NETWORK

Complexity

LOW

Privileges

N/A

Interaction

NONE

Confidentiality

N/A

Integrity

N/A

Availability

N/A

Scope

UNCHANGED

RAW VECTOR CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CVSS v2.0

Source Entity [email protected]

Severity MEDIUM

5.0

Access Vector

N/A

Authentication

N/A

RAW VECTOR AV:N/AC:L/Au:N/C:N/I:N/A:P

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-36155 Exploits & PoCs (Proof Of Concept)

No public PoCs found in our database for this CVE.

November 21, 2024 MODIFIED

Vulnerability data or affected products updated.

July 09, 2021 PUBLISHED

Vulnerability first announced in NVD.

Attack Vector Matrix

Access Vector NETWORK

Complexity LOW

Privileges N/A

Interaction NONE

CVSS Vector String


                                    CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Affected Stack

No specific products linked.