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cveGitHub_MCVE-2022-31103
HistoryJun 27, 2022 - 11:15 p.m.

CVE-2022-31103

2022-06-2723:15:08
CWE-754
GitHub_M
web.nvd.nist.gov
66
8
lettersanitizer
dom-based
html
email
sanitizer
denial of service
@keyframes
css
vulnerability
patch
nvd
cve-2022-31103

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

46.6%

lettersanitizer is a DOM-based HTML email sanitizer for in-browser email rendering. All versions of lettersanitizer below 1.0.2 are affected by a denial of service issue when processing a CSS at-rule @keyframes. This package is depended on by react-letter, therefore everyone using react-letter is also at risk. The problem has been patched in version 1.0.2.

Affected configurations

Nvd
Vulners
Node
lettersanitizer_projectlettersanitizerRange<1.0.2node.js
VendorProductVersionCPE
lettersanitizer_projectlettersanitizer*cpe:2.3:a:lettersanitizer_project:lettersanitizer:*:*:*:*:*:node.js:*:*

CNA Affected

[
  {
    "product": "lettersanitizer",
    "vendor": "mat-sz",
    "versions": [
      {
        "status": "affected",
        "version": "< 1.0.2"
      }
    ]
  }
]

Social References

More

CVSS2

5

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

7.5

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

EPSS

0.001

Percentile

46.6%