OpenSSL crypto/asn1/asn_mime.c mime_hdr_cmp null pointer dereference

CVSS Meta Temp Score
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CTI Interest Score
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6.5$0-$5k0.00

Summaryinfo

A vulnerability was found in OpenSSL. It has been classified as problematic. This vulnerability affects the function mime_hdr_cmp of the file crypto/asn1/asn_mime.c. The manipulation leads to null pointer dereference. This vulnerability is uniquely identified as CVE-2006-7248. Moreover, an exploit is present. To fix this issue, it is recommended to deploy a patch.

Detailsinfo

A vulnerability was found in OpenSSL (Network Encryption Software) (unknown version) and classified as critical. This issue affects the function mime_hdr_cmp of the file crypto/asn1/asn_mime.c. The manipulation with an unknown input leads to a null pointer dereference vulnerability. Using CWE to declare the problem leads to CWE-476. A NULL pointer dereference occurs when the application dereferences a pointer that it expects to be valid, but is NULL, typically causing a crash or exit. Impacted is availability. The summary by CVE is:

** REJECT ** DO NOT USE THIS CANDIDATE NUMBER. ConsultIDs: CVE-2006-7250, CVE-2012-1410. Reason: this candidate was intended for one issue, but CVE users may have associated it with multiple unrelated issues. Notes: All CVE users should consult CVE-2006-7250 for the OpenSSL candidate or CVE-2012-1410 for the Kadu candidate. All references and descriptions in this candidate have been removed to prevent accidental usage.

The weakness was disclosed 08/29/2006 by Nils (Website). It is possible to read the advisory at mail-archive.com. The vendor was not involved in the public release. The identification of this vulnerability is CVE-2006-7248 since 12/19/2011. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details as well as a private exploit are known.

The vulnerability scanner Nessus provides a plugin with the ID 217047 (Linux Distros Unpatched Vulnerability : CVE-2006-7248), which helps to determine the existence of the flaw in a target environment.

Applying a patch is able to eliminate this problem. The bugfix is ready for download at cvs.openssl.org. A possible mitigation has been published 6 years after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (217047), SecurityFocus (BID 52181†), OSVDB (79650†) and Secunia (SA48153†). Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 6.5

VulDB Base Score: 7.5
VulDB Temp Score: 6.5
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Null pointer dereference
CWE: CWE-476 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Access: Private
Status: Proof-of-Concept
Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 217047
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2006-7248

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: cvs.openssl.org

Timelineinfo

08/29/2006 🔍
12/19/2011 +1938 days 🔍
02/23/2012 +66 days 🔍
02/28/2012 +5 days 🔍
02/29/2012 +1 days 🔍
02/29/2012 +0 days 🔍
03/04/2025 +4752 days 🔍

Sourcesinfo

Product: openssl.org

Advisory: mail-archive.com
Researcher: Nils
Status: Confirmed

CVE: CVE-2006-7248 (🔍)
GCVE (CVE): GCVE-0-2006-7248
GCVE (VulDB): GCVE-100-4667
SecurityFocus: 52181 - OpenSSL ASN.1 S/MIME Header Processing Null Pointer Dereference Denial Of Service Vulnerability
Secunia: 48153 - OpenSSL ASN.1 MIME Header Parsing NULL Pointer Dereference Vulnerability, Moderately Critical
OSVDB: 79650 - OpenSSL crypto/asn1/asn_mime.c mime_hdr_cmp() Function MIME Header Parsing Remote DoS

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

Entryinfo

Created: 02/29/2012 01:00
Updated: 03/04/2025 05:05
Changes: 02/29/2012 01:00 (44), 04/14/2014 16:03 (11), 03/04/2025 05:05 (28)
Complete: 🔍
Cache ID: 216::103

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

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