CVE-2004-1584

WordPress Core <= 1.2 - HTTP Response Splitting

2004-10-06 00:00

Strategic Overview

Status: Patched in 1.2.1
Affected Core: WordPress 1.2
Affected Version: < 1.2.1
CVSS: 5.3Medium
Weakness type: CWE-113 · Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')
CVE: CVE-2004-1584

At a glance

CVE-2004-1584 is a medium-severity Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting') vulnerability in the WordPress 1.2 WordPress release line, affecting < 1.2.1. It carries a CVSS score of 5.3 (reachable over the network; low attack complexity). Exploitation requires no authentication. The issue is fixed in version 1.2.1; sites on affected versions should update now. Disclosed October 2004, reported by Chaotic Evil.

Vulnerability Overview

CRLF injection vulnerability in wp-login.php in WordPress 1.2 allows remote attackers to perform HTTP Response Splitting attacks to modify expected HTML content from the server via the text parameter.

Technical Analysis

The vector marks this flaw as remotely reachable over the network, with low attack complexity — no special timing or configuration is needed, and no privileges on the target site, and no interaction from a victim user.

CWE-113: Improper Neutralization of CRLF Sequences in HTTP Headers ('HTTP Request/Response Splitting')

The product receives data from an HTTP agent/component (e.g., web server, proxy, browser, etc.), but it does not neutralize or incorrectly neutralizes CR and LF characters before the data is included in outgoing HTTP headers.

Remediation

Update to version 1.2.1, or a newer patched version

How does WordSec protect against this?

The fix is the thing that ends this: updating to 1.2.1 is the step that ends it.

Alerts

External References

https://www.cve.org/CVERecord?id=CVE-2004-1584 https://www.wordfence.com/threat-intel/vulnerabilities/id/ec8ad817-9716-4d29-a02a-57eb9aa58a13 https://nvd.nist.gov/vuln/detail/CVE-2004-1584

Related records

Other vulnerabilities in WordPress 1.2

CVSS Vector

5.3

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

Base

Attack VectorNetwork
Attack ComplexityLow
Privileges RequiredNone
User InteractionNone
ScopeUnchanged
ConfidentialityNone
IntegrityLow
AvailabilityNone

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