Openswan up to 2.6.26 Encryption atodn memory corruption

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
7.0$0-$5k0.00

Summaryinfo

A vulnerability identified as critical has been detected in Openswan up to 2.6.26. This affects the function atodn of the component Encryption. The manipulation leads to memory corruption. This vulnerability is documented as CVE-2013-2053. There is not any exploit available. You should upgrade the affected component.

Detailsinfo

A vulnerability, which was classified as critical, has been found in Openswan up to 2.6.26. This issue affects the function atodn of the component Encryption. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to 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. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

Buffer overflow in the atodn function in Openswan before 2.6.39, when Opportunistic Encryption is enabled and an RSA key is being used, allows remote attackers to cause a denial of service (pluto IKE daemon crash) and possibly execute arbitrary code via crafted DNS TXT records. NOTE: this might be the same vulnerability as CVE-2013-2052 and CVE-2013-2054.

The weakness was released 07/09/2013 by Florian Weimer with Red Hat Product Security Team (Website). It is possible to read the advisory at openswan.org. The identification of this vulnerability is CVE-2013-2053 since 02/19/2013. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability scanner Nessus provides a plugin with the ID 72017 (GLSA-201401-09 : Openswan: User-assisted execution of arbitrary code), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 165941 (SUSE Enterprise Linux Security Update for openswan (SUSE-SU-2013:1150-1)).

Upgrading to version 2.6.27 eliminates this vulnerability.

The vulnerability is also documented in the databases at X-Force (84276), Tenable (72017), SecurityFocus (BID 59838†) and Vulnerability Center (SBV-39705†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Name

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.0

VulDB Base Score: 7.3
VulDB Temp Score: 7.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

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: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 72017
Nessus Name: GLSA-201401-09 : Openswan: User-assisted execution of arbitrary code
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 881728
OpenVAS Name: CentOS Update for openswan CESA-2013:0827 centos5
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Openswan 2.6.27

Timelineinfo

02/19/2013 🔍
05/13/2013 +83 days 🔍
05/13/2013 +0 days 🔍
05/26/2013 +13 days 🔍
07/09/2013 +44 days 🔍
07/09/2013 +0 days 🔍
01/20/2014 +195 days 🔍
03/24/2015 +428 days 🔍
12/27/2024 +3566 days 🔍

Sourcesinfo

Advisory: dsa-2893
Researcher: Florian Weimer
Organization: Red Hat Product Security Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2013-2053 (🔍)
GCVE (CVE): GCVE-0-2013-2053
GCVE (VulDB): GCVE-100-64451

OVAL: 🔍

X-Force: 84276
SecurityFocus: 59838 - Openswan CVE-2013-2053 DNS TXT Record Buffer Overflow Vulnerability
Vulnerability Center: 39705 - Openswan 1.0 - 2.6.38 \x27atodn()\x27 Function Buffer Overflow Vulnerability Allows Remote Code Execution \\ DoS, High

Entryinfo

Created: 03/24/2015 15:54
Updated: 12/27/2024 12:13
Changes: 03/24/2015 15:54 (66), 04/30/2017 12:43 (7), 01/03/2022 15:15 (3), 01/03/2022 15:21 (1), 01/03/2022 15:26 (1), 12/27/2024 12:13 (20)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Might our Artificial Intelligence support you?

Check our Alexa App!