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cvelistVulDBCVELIST:CVE-2017-20162
HistoryJan 05, 2023 - 11:49 a.m.

CVE-2017-20162 vercel ms index.js parse redos

2023-01-0511:49:24
CWE-1333
VulDB
www.cve.org
4
vulnerability
vercel ms
index.js
parse function
regular expression complexity
remote attack
public exploit
version 2.0.0
patch
upgrade
caae2988ba2a37765d055c4eee63d383320ee662
affected component
vdb-217451

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:N/I:N/A:P

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

AI Score

5.8

Confidence

High

EPSS

0.002

Percentile

54.5%

A vulnerability, which was classified as problematic, has been found in vercel ms up to 1.x. This issue affects the function parse of the file index.js. The manipulation of the argument str leads to inefficient regular expression complexity. The attack may be initiated remotely. The exploit has been disclosed to the public and may be used. Upgrading to version 2.0.0 is able to address this issue. The patch is named caae2988ba2a37765d055c4eee63d383320ee662. It is recommended to upgrade the affected component. The associated identifier of this vulnerability is VDB-217451.

CNA Affected

[
  {
    "vendor": "vercel",
    "product": "ms",
    "versions": [
      {
        "version": "1.x",
        "status": "affected"
      }
    ]
  }
]

CVSS2

3.5

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

SINGLE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

AV:N/AC:M/Au:S/C:N/I:N/A:P

CVSS3

4.3

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

LOW

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

AI Score

5.8

Confidence

High

EPSS

0.002

Percentile

54.5%

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