Nrl opie up to 2.32 readrec.c __opiereadrec numeric error

CVSS Meta Temp Score
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CTI Interest Score
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9.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Nrl opie up to 2.32 and classified as critical. The affected element is the function __opiereadrec of the file readrec.c. The manipulation results in numeric error. This vulnerability is known as CVE-2010-1938. Furthermore, an exploit is available.

Detailsinfo

A vulnerability, which was classified as very critical, was found in Nrl opie up to 2.32. Affected is the function __opiereadrec of the file readrec.c. The manipulation with an unknown input leads to a numeric error vulnerability. CWE is classifying the issue as CWE-189. This is going to have an impact on confidentiality, integrity, and availability. CVE summarizes:

Off-by-one error in the __opiereadrec function in readrec.c in libopie in OPIE 2.4.1-test1 and earlier, as used on FreeBSD 6.4 through 8.1-PRERELEASE and other platforms, allows remote attackers to cause a denial of service (daemon crash) or possibly execute arbitrary code via a long username, as demonstrated by a long USER command to the FreeBSD 8.0 ftpd.

The bug was discovered 05/04/2010. The weakness was published 05/27/2010 by Maksymilian Arciemowicz (Website). The advisory is shared for download at securityfocus.com. This vulnerability is traded as CVE-2010-1938. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 01/25/2025).

A public exploit has been developed by Maksymilian Arciemowicz and been published before and not just after the advisory. The exploit is shared for download at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 24 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 47111 (Ubuntu 9.04 / 9.10 / 10.04 LTS : libpam-opie vulnerability (USN-955-2)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 195110 (Ubuntu Security Notification for OPIE Vulnerability (USN-955-1)).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 11320.

The vulnerability is also documented in the databases at X-Force (58948), Exploit-DB (12762), Tenable (47111), SecurityFocus (BID 40403†) and OSVDB (64949†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

Vendor

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 10.0
VulDB Meta Temp Score: 9.4

VulDB Base Score: 10.0
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Numeric error
CWE: CWE-189
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Author: Maksymilian Arciemowicz
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 47111
Nessus Name: Ubuntu 9.04 / 9.10 / 10.04 LTS : libpam-opie vulnerability (USN-955-2)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 69990
OpenVAS Name: Debian Security Advisory DSA 2281-1 (opie)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Exploit-DB: 🔍

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

PaloAlto IPS: 🔍
Fortigate IPS: 🔍

Timelineinfo

05/04/2010 🔍
05/13/2010 +8 days 🔍
05/27/2010 +14 days 🔍
05/27/2010 +0 days 🔍
05/27/2010 +0 days 🔍
05/27/2010 +0 days 🔍
05/27/2010 +0 days 🔍
05/27/2010 +0 days 🔍
05/28/2010 +0 days 🔍
06/22/2010 +25 days 🔍
06/28/2010 +6 days 🔍
03/19/2015 +1725 days 🔍
01/25/2025 +3600 days 🔍

Sourcesinfo

Advisory: dsa-2281⛔
Researcher: Maksymilian Arciemowicz
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2010-1938 (🔍)
GCVE (CVE): GCVE-0-2010-1938
GCVE (VulDB): GCVE-100-53400

OVAL: 🔍

X-Force: 58948
SecurityFocus: 40403 - OPIE '__opiereadrec()' Off By One Heap Memory Corruption Vulnerability
Secunia: 39963
OSVDB: 64949 - OPIE readrec.c __opiereadrec() Off-by-One Remote Code Execution
SecurityTracker: 1025709
Vulnerability Center: 26153 - FreeBSD OPIE Remote Arbitrary Code Execution Vulnerability via a Long Username, High

scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/19/2015 12:22
Updated: 01/25/2025 22:17
Changes: 03/19/2015 12:22 (68), 02/28/2017 11:11 (18), 09/14/2021 12:23 (5), 09/14/2021 12:31 (1), 09/14/2021 12:39 (1), 07/30/2024 06:45 (16), 01/25/2025 22:17 (2)
Complete: 🔍
Cache ID: 216:BA2:103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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