CRLF injection in httplib2

6.8 CVSS

Vulnerability Description

In httplib2 before version 0.18.0, an attacker controlling unescaped part of uri for `httplib2.Http.request()` could change request headers and body, send additional hidden requests to same server. This vulnerability impacts software that uses httplib2 with uri constructed by string concatenation, as opposed to proper urllib building with escaping. This has been fixed in 0.18.0.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

References

More from httplib2

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CVE-2021-21240

Regular Expression Denial of Service in httplib2

High 7.5

Affected Vendor

httplib2

View all reports →

Affected Software

httplib2

Vulnerable Versions:

< 0.81.0

Timeline

Official Publish: May 20th, 2020

Last Modified: August 4th, 2024

Added to House: July 21st, 2026

CVSS Vectors

V3: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:N/I:H/A:N

Weaknesses (CWE)

CWE-93

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.