Vulnerability Report

CVE-2021-22918

Title: Out-of-Bounds Read in uv__idna_toascii()

Information Disclosure

Proof Of Concept

No public PoC currently indexed for CVE-2021-22918.

CWE Category CWE-125

Published Date Jul 12, 2021

Modified Date Nov 21, 2024

Exploit Status Not Found

Score 5.3 CVSS v3.1

Exploit Probability (EPSS)

0.72%

Vulnerability Summary

CVE-2021-22918: Node.js before 16.4.1, 14.17.2, 12.22.2 is vulnerable to an out-of-bounds read when uv__idna_toascii() is used to convert strings to ASCII. The pointer p is read and increased without checking whether it is beyond pe, with the latter holding a pointer to the end of the buffer. This can lead to information disclosures or crashes. This function can be triggered via uv_getaddrinfo().

Impacted Vendors

nodejs 1

joyent 1

siemens 1

Reference Links

https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf https://hackerone.com/reports/1209681 https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/ https://security.gentoo.org/glsa/202401-23 https://security.netapp.com/advisory/ntap-20210805-0003/ https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf https://hackerone.com/reports/1209681 https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/ https://security.gentoo.org/glsa/202401-23 https://security.netapp.com/advisory/ntap-20210805-0003/

CVSS v3.1

Source Entity [email protected]

Severity MEDIUM

5.3

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:L/I:N/A:N

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:P/I:N/A:N

Associated Attack Patterns (CAPEC)

Total: Patterns

CVE-2021-22918 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 12, 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:L/I:N/A:N

Affected Stack

No specific products linked.