phpMyAdmin up to 4.6.4/4.4.15.8/4.0.10.17 Cookie cryptographic issue

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.1$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in phpMyAdmin up to 4.6.4/4.4.15.8/4.0.10.17. This issue affects some unknown processing of the component Cookie Handler. Performing a manipulation results in cryptographic issue. This vulnerability is known as CVE-2016-9847. Remote exploitation of the attack is possible. No exploit is available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in phpMyAdmin up to 4.6.4/4.4.15.8/4.0.10.17 (Database Administration Software). It has been classified as critical. This affects some unknown processing of the component Cookie Handler. The manipulation with an unknown input leads to a cryptographic issue vulnerability. CWE is classifying the issue as CWE-310. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in phpMyAdmin. When the user does not specify a blowfish_secret key for encrypting cookies, phpMyAdmin generates one at runtime. A vulnerability was reported where the way this value is created uses a weak algorithm. This could allow an attacker to determine the user's blowfish_secret and potentially decrypt their cookies. All 4.6.x versions (prior to 4.6.5), 4.4.x versions (prior to 4.4.15.9), and 4.0.x versions (prior to 4.0.10.18) are affected.

The bug was discovered 12/06/2016. The weakness was published 12/11/2016 by Emanuel Bronshtein (Website). The advisory is shared at securityfocus.com. This vulnerability is uniquely identified as CVE-2016-9847 since 12/06/2016. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1600 for this issue.

The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 96426 (GLSA-201701-32 : phpMyAdmin: Multiple vulnerabilities), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Gentoo Local Security Checks and running in the context l.

Upgrading to version 4.6.5, 4.4.15.9 or 4.0.10.18 eliminates this vulnerability. A possible mitigation has been published 2 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96426) and SecurityFocus (BID 94524†). Similar entries are available at VDB-94066, VDB-94069, VDB-94070 and VDB-94071. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.2

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

NVD Base Score: 5.3
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: Cryptographic issue
CWE: CWE-310
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: 96426
Nessus Name: GLSA-201701-32 : phpMyAdmin: Multiple vulnerabilities
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103230
OpenVAS Name: phpMyAdmin Multiple Security Vulnerabilities - 04 - Dec16 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: phpMyAdmin 4.6.5/4.4.15.9/4.0.10.18

Timelineinfo

11/25/2016 🔍
12/06/2016 +11 days 🔍
12/06/2016 +0 days 🔍
12/10/2016 +4 days 🔍
12/11/2016 +1 days 🔍
12/11/2016 +0 days 🔍
01/11/2017 +31 days 🔍
01/12/2017 +1 days 🔍
06/25/2019 +894 days 🔍

Sourcesinfo

Product: phpmyadmin.net

Advisory: securityfocus.com⛔
Researcher: Emanuel Bronshtein
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9847 (🔍)
GCVE (CVE): GCVE-0-2016-9847
GCVE (VulDB): GCVE-100-94065
SecurityFocus: 94524 - phpMyAdmin PMASA-2016-58 Insecure Key Generation Security Weakness

See also: 🔍

Entryinfo

Created: 12/11/2016 09:12
Updated: 06/25/2019 16:33
Changes: 12/11/2016 09:12 (74), 06/25/2019 16:33 (7)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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