Vulnerability Monitor

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CVE-2018-11803

Subversion's mod_dav_svn Apache HTTPD module versions 1.11.0 and 1.10.0 to 1.10.3 will crash after dereferencing an uninitialized pointer if the client omits the root path in a recursive directory listing operation.

Security Impact Summary

This vulnerability carries a HIGH severity rating with a CVSS v3.1 score of 7.5, indicating it can be exploited remotely over the network with relatively low complexity without requiring user interaction and does not require pre-existing privileges . The vulnerability impacts and availability (service disruption) for affected systems. Impacting 2 products from apache, from canonical organizations running these solutions should prioritize assessment and patching.

Historical Context

First disclosed in 2019, this vulnerability was reported during a period defined by widespread IoT adoption challenges, mobile security concerns, and the emergence of advanced persistent threat (APT) techniques. Contemporary mitigation strategies focused on secure development practices and third-party component vetting.

Published

2019-02-05T17:29:00.327

Last Modified

2024-11-21T03:44:03.960

Status

Modified

Source

[email protected]

Severity

CVSSv3.1: 7.5 (HIGH)

CVSSv2 Vector

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

Access Vector: NETWORK
Access Complexity: LOW
Authentication: NONE
Confidentiality Impact: NONE
Integrity Impact: NONE
Availability Impact: PARTIAL

Exploitability Score

10.0

Impact Score

2.9

Weaknesses

Type: Primary
CWE-824

Affected Vendors & Products

Type	Vendor	Product	Version/Range	Vulnerable?
Application	apache	subversion	≤ 1.10.3	Yes
Application	apache	subversion	1.11.0	Yes
Operating System	canonical	ubuntu_linux	18.10	Yes

References

http://www.securityfocus.com/bid/106770 Broken Link, Third Party Advisory, VDB Entry ([email protected])
https://lists.apache.org/thread.html/fa71074862373c142d264534385f8ea5d8d6b80d27f36f3c46f55003%40%3Cdev.subversion.apache.org%3E ([email protected])
https://security.gentoo.org/glsa/201904-08 Third Party Advisory ([email protected])
https://usn.ubuntu.com/3869-1/ Third Party Advisory ([email protected])
http://www.securityfocus.com/bid/106770 Broken Link, Third Party Advisory, VDB Entry (af854a3a-2127-422b-91ae-364da2661108)
https://lists.apache.org/thread.html/fa71074862373c142d264534385f8ea5d8d6b80d27f36f3c46f55003%40%3Cdev.subversion.apache.org%3E (af854a3a-2127-422b-91ae-364da2661108)
https://security.gentoo.org/glsa/201904-08 Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)
https://usn.ubuntu.com/3869-1/ Third Party Advisory (af854a3a-2127-422b-91ae-364da2661108)

How SecUtils Interprets This CVE

SecUtils normalizes and enriches National Vulnerability Database (NVD) records by standardizing vendor and product identifiers, aggregating vulnerability metadata from both NVD and MITRE sources, and providing structured context for security teams. For apache's affected products, we extract Common Platform Enumeration (CPE) data, Common Weakness Enumeration (CWE) classifications, CVSS severity metrics, and reference data to enable rapid vulnerability prioritization and asset correlation. This record contains no exploit code, proof-of-concept instructions, or attack methodologies—only defensive intelligence necessary for patch management, risk assessment, and security operations.