PHP up to 7.0.9 ext/curl/interface.c memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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9.6$0-$5k0.00

Summaryinfo

A vulnerability classified as critical has been found in PHP up to 7.0.9. Impacted is an unknown function of the file ext/curl/interface.c. Performing a manipulation results in memory corruption. This vulnerability was named CVE-2016-7134. The attack may be initiated remotely. There is no available exploit. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability classified as very critical has been found in PHP up to 7.0.9 (Programming Language Software). This affects some unknown processing of the file ext/curl/interface.c. The manipulation with an unknown input leads to a memory corruption vulnerability. CWE is classifying the issue as 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. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

ext/curl/interface.c in PHP 7.x before 7.0.10 does not work around a libcurl integer overflow, which allows remote attackers to cause a denial of service (allocation error and heap-based buffer overflow) or possibly have unspecified other impact via a long string that is mishandled in a curl_escape call.

The weakness was presented 09/12/2016 (Website). It is possible to read the advisory at openwall.com. This vulnerability is uniquely identified as CVE-2016-7134 since 09/02/2016. 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 09/16/2022).

The vulnerability scanner Nessus provides a plugin with the ID 93856 (openSUSE Security Update : php5 (openSUSE-2016-1156)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family SuSE Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 169206 (OpenSuSE Security Update for php5 (openSUSE-SU-2016:2337-1)).

Upgrading to version 7.0.10 eliminates this vulnerability. A possible mitigation has been published 4 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (93856) and SecurityFocus (BID 92766†). See VDB-80329, VDB-90729, VDB-91493 and VDB-91494 for similar entries. Be aware that VulDB is the high quality 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: 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

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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: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 93856
Nessus Name: openSUSE Security Update : php5 (openSUSE-2016-1156)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 54857
OpenVAS Name: Ubuntu Update for php7.0 USN-3095-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
Exposure Time: 🔍

Upgrade: PHP 7.0.10
Patch: github.com

Timelineinfo

09/02/2016 🔍
09/05/2016 +3 days 🔍
09/11/2016 +6 days 🔍
09/12/2016 +1 days 🔍
09/12/2016 +0 days 🔍
10/04/2016 +22 days 🔍
10/05/2016 +1 days 🔍
09/16/2022 +2172 days 🔍

Sourcesinfo

Product: php.org

Advisory: 72674
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-7134 (🔍)
GCVE (CVE): GCVE-0-2016-7134
GCVE (VulDB): GCVE-100-91503
SecurityFocus: 92766 - PHP CVE-2016-7134 Heap Based Buffer Overflow Vulnerability
SecurityTracker: 1036680

See also: 🔍

Entryinfo

Created: 09/12/2016 17:54
Updated: 09/16/2022 07:02
Changes: 09/12/2016 17:54 (66), 04/15/2019 16:40 (13), 09/16/2022 07:02 (5)
Complete: 🔍
Cache ID: 216:020:103

Be aware that VulDB is the high quality source for vulnerability data.

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