OpenSSL up to 1.1.0b asn1_item_embed_new free memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability has been found in OpenSSL up to 1.1.0b and classified as critical. Affected by this issue is the function asn1_item_embed_new. This manipulation causes memory corruption (free). It is possible to initiate the attack remotely. There is no exploit available. It is recommended to apply a patch to fix this issue.

Detailsinfo

A vulnerability was found in OpenSSL up to 1.1.0b (Network Encryption Software). It has been declared as critical. Affected by this vulnerability is the function asn1_item_embed_new. The manipulation with an unknown input leads to a memory corruption vulnerability (Free). 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.

The weakness was shared 10/11/2016 by Guido Vranken as openssl-x509-vulnerabilities as not defined advisory (GIT Repository). It is possible to read the advisory at github.com. The exploitation appears to be easy. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (estimation calculated on 07/07/2019).

Applying a patch is able to eliminate this problem. A possible mitigation has been published immediately after the disclosure of the vulnerability.

Additional details are provided at seclists.org. The entry VDB-92600 is related to this item. Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

Type

Name

Version

License

Support

  • end of life (old version)

Website

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

Exploitinginfo

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

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

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

Timelineinfo

10/11/2016 🔍
10/11/2016 +0 days 🔍
10/12/2016 +1 days 🔍
07/07/2019 +998 days 🔍

Sourcesinfo

Product: openssl.org

Advisory: openssl-x509-vulnerabilities
Researcher: Guido Vranken
Status: Not defined

GCVE (VulDB): GCVE-100-92599
Misc.: 🔍
See also: 🔍

Entryinfo

Created: 10/12/2016 20:00
Updated: 07/07/2019 17:55
Changes: 10/12/2016 20:00 (47), 07/07/2019 17:55 (2)
Complete: 🔍
Cache ID: 216:54A:103

Be aware that VulDB is the high quality source for vulnerability data.

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