Arbitrary remote file read in Wrangler dev server
CVE-2023-7079

6.4MEDIUM

Key Information:

Vendor

Cloudflare

Status
wrangler
Vendor
CVE Published:
29 December 2023

What is CVE-2023-7079?

Sending specially crafted HTTP requests and inspector messages to Wrangler's dev server could result in any file on the user's computer being accessible over the local network. An attacker that could trick any user on the local network into opening a malicious website could also read any file.

Affected Version(s)

wrangler Windows 0 <= 3.9.0

wrangler Windows 0 < 3.19.0

References

https://github.com/cloudflare/workers-sdk/security/adviso...
https://github.com/cloudflare/workers-sdk/pull/4532
https://github.com/cloudflare/workers-sdk/pull/4535

CVSS V3.1

Score:
6.4
Severity:
MEDIUM
Confidentiality:
High
Integrity:
Low
Availability:
High
Attack Vector:
Adjacent Network
Attack Complexity:
High
Privileges Required:
None
User Interaction:
Required
Scope:
Changed

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

Peter Wu (Lekensteyn)
.