Vulnerability Details : CVE-2021-22918
Potential exploit
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().
Products affected by CVE-2021-22918
- cpe:2.3:a:siemens:sinec_infrastructure_network_services:*:*:*:*:*:*:*:*
- cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
- cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
- cpe:2.3:a:nodejs:node.js:*:*:*:*:-:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2021-22918
0.74%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 71 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2021-22918
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
5.0
|
MEDIUM | AV:N/AC:L/Au:N/C:P/I:N/A:N |
10.0
|
2.9
|
NIST | |
|
5.3
|
MEDIUM | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N |
3.9
|
1.4
|
NIST |
CWE ids for CVE-2021-22918
-
The product reads data past the end, or before the beginning, of the intended buffer.Assigned by:
- nvd@nist.gov (Primary)
- support@hackerone.com (Secondary)
References for CVE-2021-22918
-
https://hackerone.com/reports/1209681
#1209681 OOB read in libuvExploit;Third Party Advisory
-
https://security.netapp.com/advisory/ntap-20210805-0003/
July 2021 Node.js Vulnerabilities in NetApp Products | NetApp Product SecurityThird Party Advisory
-
https://nodejs.org/en/blog/vulnerability/july-2021-security-releases/
July 2021 Security Releases | Node.jsPatch;Vendor Advisory
-
https://security.gentoo.org/glsa/202401-23
libuv: Buffer Overread (GLSA 202401-23) — Gentoo security
-
https://cert-portal.siemens.com/productcert/pdf/ssa-389290.pdf
Patch;Third Party Advisory
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