UMN MapServer up to 5.2.1 cgiutil.c readPostBody memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.5$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in UMN MapServer up to 5.2.1. This affects the function readPostBody of the file cgiutil.c. Executing a manipulation can lead to memory corruption. This vulnerability is registered as CVE-2009-0840. No exploit is available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical was found in UMN MapServer up to 5.2.1. This vulnerability affects the function readPostBody of the file cgiutil.c. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

Heap-based buffer underflow in the readPostBody function in cgiutil.c in mapserv in MapServer 4.x before 4.10.4 and 5.x before 5.2.2 allows remote attackers to have an unknown impact via a negative value in the Content-Length HTTP header.

The bug was discovered 03/26/2009. The weakness was published 03/31/2009 (Website). The advisory is shared for download at lists.osgeo.org. This vulnerability was named CVE-2009-0840 since 03/06/2009. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 08/31/2019).

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 42262 (MapServer < 5.4.2 / 5.2.3 / 4.10.5 Buffer Overflow), which helps to determine the existence of the flaw in a target environment. It is assigned to the family CGI abuses and running in the context r. The commercial vulnerability scanner Qualys is able to test this issue with plugin 116355 (Fedora Update for mapserver (FEDORA-2009-3383,FEDORA-2009-3357)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 5 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at X-Force (49545), Tenable (42262), SecurityFocus (BID 34306†), OSVDB (56330†) and Secunia (SA34520†). Similar entries are available at VDB-47446, VDB-47445, VDB-47443 and VDB-47442. VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
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CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.5

VulDB Base Score: 10.0
VulDB Temp Score: 9.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 42262
Nessus Name: MapServer < 5.4.2 / 5.2.3 / 4.10.5 Buffer Overflow
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 66097
OpenVAS Name: Debian Security Advisory DSA 1914-1 (mapserver)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

03/06/2009 🔍
03/26/2009 +20 days 🔍
03/30/2009 +4 days 🔍
03/30/2009 +0 days 🔍
03/31/2009 +1 days 🔍
03/31/2009 +0 days 🔍
03/31/2009 +0 days 🔍
03/31/2009 +0 days 🔍
04/06/2009 +6 days 🔍
07/23/2009 +108 days 🔍
10/27/2009 +96 days 🔍
03/17/2015 +1967 days 🔍
08/31/2019 +1628 days 🔍

Sourcesinfo

Advisory: lists.osgeo.org
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2009-0840 (🔍)
GCVE (CVE): GCVE-0-2009-0840
GCVE (VulDB): GCVE-100-47440

OVAL: 🔍

X-Force: 49545
SecurityFocus: 34306 - MapServer Multiple Security Vulnerabilities
Secunia: 34520 - MapServer Multiple Vulnerabilities, Moderately Critical
OSVDB: 56330 - CVE-2009-0840 - MapServer - Buffer Overflow Issue
SecurityTracker: 1021952
Vulnerability Center: 21485 - MapServer 4-4.10.3 and 5-5.2.1 Mapserv Heap Based Buffer Overflow Vulnerability, High

See also: 🔍

Entryinfo

Created: 03/17/2015 23:38
Updated: 08/31/2019 18:53
Changes: 03/17/2015 23:38 (85), 08/31/2019 18:53 (5)
Complete: 🔍
Cache ID: 216::103

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