Oracle Directory Server Enterprise Edition 11.1.1.7.0 NSS memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, was found in Oracle Directory Server Enterprise Edition 11.1.1.7.0. This issue affects some unknown processing of the component NSS. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2016-2834. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability was found in Oracle Directory Server Enterprise Edition 11.1.1.7.0 (Directory Service Software) and classified as critical. Affected by this issue is some unknown functionality of the component NSS. 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. CVE summarizes:

Mozilla Network Security Services (NSS) before 3.23, as used in Mozilla Firefox before 47.0, allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly have unspecified other impact via unknown vectors.

The bug was discovered 06/07/2016. The weakness was presented 10/19/2017 as Oracle Critical Patch Update Advisory - October 2017 as confirmed advisory (Website). The advisory is shared for download at oracle.com. This vulnerability is handled as CVE-2016-2834 since 03/01/2016. The attack may be launched remotely. No form of authentication is required for exploitation. Successful exploitation requires user interaction by the victim. There are neither technical details nor an exploit publicly available.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $25k-$100k. The vulnerability scanner Nessus provides a plugin with the ID 95894 (Amazon Linux AMI : nss-util / nss,nss-softokn (ALAS-2016-774)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Amazon Linux Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196493 (Ubuntu Security Notification for Firefox Vulnerabilities (USN-2993-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (95894) and SecurityFocus (BID 91072†). See VDB-87890, VDB-87895, VDB-87898 and VDB-87900 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.8
VulDB Meta Temp Score: 8.7

VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

Vendor Base Score (Oracle): 8.8
Vendor Vector (Oracle): 🔍

NVD Base Score: 8.8
NVD Vector: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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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: 🔍

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Nessus ID: 95894
Nessus Name: Amazon Linux AMI : nss-util / nss,nss-softokn (ALAS-2016-774)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 80017
OpenVAS Name: RedHat Update for nss and nss-util RHSA-2016:2779-01
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

03/01/2016 🔍
06/07/2016 +98 days 🔍
06/07/2016 +0 days 🔍
06/13/2016 +6 days 🔍
12/16/2016 +186 days 🔍
10/19/2017 +307 days 🔍
10/19/2017 +0 days 🔍
10/19/2017 +0 days 🔍
01/17/2021 +1186 days 🔍

Sourcesinfo

Vendor: oracle.com

Advisory: Oracle Critical Patch Update Advisory - October 2017
Researcher: Tyson Smith, Jed Davis.
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2016-2834 (🔍)
GCVE (CVE): GCVE-0-2016-2834
GCVE (VulDB): GCVE-100-108068

OVAL: 🔍

SecurityFocus: 91072 - Mozilla Network Security Services Multiple Unspecified Security Vulnerabilities
SecurityTracker: 1036057

See also: 🔍

Entryinfo

Created: 10/20/2017 00:02
Updated: 01/17/2021 18:39
Changes: 10/20/2017 00:02 (91), 11/27/2019 10:29 (1), 01/17/2021 18:35 (2), 01/17/2021 18:39 (1)
Complete: 🔍
Cache ID: 216:3A4:103

Once again VulDB remains the best source for vulnerability data.

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