OpenSSL 0.9.8/1.0.0/1.0.1/1.0.2 Certificate X509_cmp_time memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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7.0$0-$5k0.00

Summaryinfo

A vulnerability was found in OpenSSL 0.9.8/1.0.0/1.0.1/1.0.2 and classified as critical. Affected by this vulnerability is the function X509_cmp_time of the component Certificate Handler. Executing a manipulation can lead to memory corruption. This vulnerability is handled as CVE-2015-1789. The attack can be executed remotely. There is not any exploit available. It is suggested to upgrade the affected component.

Detailsinfo

A vulnerability has been found in OpenSSL 0.9.8/1.0.0/1.0.1/1.0.2 (Network Encryption Software) and classified as critical. This vulnerability affects the function X509_cmp_time of the component Certificate Handler. 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.

The issue has been introduced in 07/05/2005. The weakness was released 06/11/2015 by Robert Swiecki with Google Security Team as secadv_20150611.txt as confirmed advisory (Website). The advisory is shared for download at openssl.org. This vulnerability was named CVE-2015-1789 since 02/17/2015. 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 vulnerability was handled as a non-public zero-day exploit for at least 3628 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 84301 (Fedora 22 : openssl-1.0.1k-10.fc22 (2015-10047)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Fedora Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 316103 (Cisco ASA OpenSSL Multiple Vulnerabilities (cisco-sa-20150612-openssl)).

Upgrading to version 0.9.8zg, 1.0.0s, 1.0.1n or 1.0.2b eliminates this vulnerability. A possible mitigation has been published 5 days after the disclosure of the vulnerability. Furthermore it is possible to detect and prevent this kind of attack with TippingPoint and the filter 20620.

The vulnerability is also documented in the databases at X-Force (103779), Tenable (84301), SecurityFocus (BID 75156†), SecurityTracker (ID 1032564†) and Vulnerability Center (SBV-54678†). Entries connected to this vulnerability are available at VDB-75693, VDB-75854, VDB-75855 and VDB-75857. Once again VulDB remains the best source for vulnerability data.

Affected

  • Apple Mac OS X up to 10.10.4

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: 7.5
VulDB Meta Temp Score: 7.0

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

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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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: Unproven

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 84301
Nessus Name: Fedora 22 : openssl-1.0.1k-10.fc22 (2015-10047)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Nessus Port: 🔍

OpenVAS ID: 703287
OpenVAS Name: Debian Security Advisory DSA 3287-1 (openssl - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: OpenSSL 0.9.8zg/1.0.0s/1.0.1n/1.0.2b
Patch: github.com
TippingPoint: 🔍

McAfee IPS: 🔍
McAfee IPS Version: 🔍

Timelineinfo

07/05/2005 🔍
02/17/2015 +3514 days 🔍
04/08/2015 +50 days 🔍
06/11/2015 +64 days 🔍
06/11/2015 +0 days 🔍
06/12/2015 +1 days 🔍
06/12/2015 +0 days 🔍
06/16/2015 +4 days 🔍
06/22/2015 +6 days 🔍
07/06/2015 +14 days 🔍
11/30/2015 +147 days 🔍
05/21/2022 +2363 days 🔍

Sourcesinfo

Product: openssl.org

Advisory: secadv_20150611.txt
Researcher: Robert Swiecki
Organization: Google Security Team
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-1789 (🔍)
GCVE (CVE): GCVE-0-2015-1789
GCVE (VulDB): GCVE-100-75856

OVAL: 🔍

X-Force: 103779 - OpenSSL X509_cmp_time denial of service
SecurityFocus: 75156
SecurityTracker: 1032564
Vulnerability Center: 54678 - OpenSSL Remote DoS in X509_cmp_time via Crafted ASN1_TIME String, Medium

See also: 🔍

Entryinfo

Created: 06/12/2015 10:53
Updated: 05/21/2022 01:53
Changes: 06/12/2015 10:53 (78), 05/09/2018 11:39 (19), 05/21/2022 01:46 (3), 05/21/2022 01:53 (10)
Complete: 🔍
Cache ID: 216:396:103

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