phpMyAdmin up to 4.6.4/4.4.15.8/4.0.10.17 PMA_safeUnserialize deserialization

CVSS Meta Temp Score
CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.
Current Exploit Price (≈)
Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.
CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
9.6$0-$5k0.00

Summaryinfo

A vulnerability has been found in phpMyAdmin up to 4.6.4/4.4.15.8/4.0.10.17 and classified as critical. Affected by this vulnerability is the function PMA_safeUnserialize. Performing a manipulation results in deserialization. This vulnerability was named CVE-2016-9865. The attack may be initiated remotely. There is no available exploit. The affected component should be upgraded.

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 very critical. This affects the function PMA_safeUnserialize. The manipulation with an unknown input leads to a deserialization vulnerability. CWE is classifying the issue as CWE-502. The product deserializes untrusted data without sufficiently verifying that the resulting data will be valid. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

An issue was discovered in phpMyAdmin. Due to a bug in serialized string parsing, it was possible to bypass the protection offered by PMA_safeUnserialize() function. 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 presented 12/11/2016 by Emanuel Bronshtein (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is uniquely identified as CVE-2016-9865 since 12/06/2016. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. 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 10/05/2022).

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 96093 (Debian DLA-757-1 : phpmyadmin security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian 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 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (96093) and SecurityFocus (BID 94531†). See VDB-94067, VDB-94068, VDB-94079 and VDB-94082 for similar entries. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

Type

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 9.8
VulDB Meta Temp Score: 9.6

VulDB Base Score: 9.8
VulDB Temp Score: 9.4
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Deserialization
CWE: CWE-502 / CWE-20
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 96093
Nessus Name: Debian DLA-757-1 : phpmyadmin security update
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 🔍
12/24/2016 +13 days 🔍
12/27/2016 +3 days 🔍
10/05/2022 +2108 days 🔍

Sourcesinfo

Product: phpmyadmin.net

Advisory: DLA 1415-1⛔
Researcher: Emanuel Bronshtein
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-9865 (🔍)
GCVE (CVE): GCVE-0-2016-9865
GCVE (VulDB): GCVE-100-94083
SecurityFocus: 94531 - phpMyAdmin PMASA-2016-70 Security Bypass Vulnerability

See also: 🔍

Entryinfo

Created: 12/11/2016 09:13
Updated: 10/05/2022 16:17
Changes: 12/11/2016 09:13 (51), 06/23/2019 14:39 (21), 10/05/2022 16:09 (2), 10/05/2022 16:17 (10)
Complete: 🔍
Cache ID: 216::103

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

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Interested in the pricing of exploits?

See the underground prices here!