VDB-93595 · CVE-2016-9933 · Qualys 175905

PHP up to 5.6.27/7.0.12 GD Extension dynamicGetbuf 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 was found in PHP up to 5.6.27/7.0.12. It has been classified as critical. The impacted element is the function dynamicGetbuf of the component GD Extension. This manipulation causes memory corruption. This vulnerability is registered as CVE-2016-9933. No exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability has been found in PHP up to 5.6.27/7.0.12 (Programming Language Software) and classified as critical. Affected by this vulnerability is the function dynamicGetbuf of the component GD Extension. 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 weakness was published 11/10/2016 as confirmed changelog (Website). It is possible to read the advisory at php.net. This vulnerability is known as CVE-2016-9933. 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 commercial vulnerability scanner Qualys is able to test this issue with plugin 175905 (Debian Security Update for php5 (DSA 3732-1)).

Upgrading to version 5.6.28 or 7.0.13 eliminates this vulnerability. A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at SecurityTracker (ID 1037272†). Similar entries are available at VDB-93593, VDB-93594, VDB-93596 and VDB-93597. 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: 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

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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Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Upgrade: PHP 5.6.28/7.0.13

Timelineinfo

11/10/2016 🔍
11/10/2016 +0 days 🔍
11/11/2016 +1 days 🔍
11/13/2016 +2 days 🔍
05/31/2019 +929 days 🔍

Sourcesinfo

Product: php.org

Advisory: php.net
Status: Confirmed

CVE: CVE-2016-9933 (🔍)
GCVE (CVE): GCVE-0-2016-9933
GCVE (VulDB): GCVE-100-93595
SecurityTracker: 1037272

See also: 🔍

Entryinfo

Created: 11/13/2016 09:48
Updated: 05/31/2019 08:06
Changes: 11/13/2016 09:48 (49), 05/31/2019 08:06 (1)
Complete: 🔍
Cache ID: 216::103

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

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