PHP up to 5.6.31/7.0.21/7.1.7 Date Extension parse_date.c php_parse_date information disclosure

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.1$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in PHP up to 5.6.31/7.0.21/7.1.7. Affected by this vulnerability is the function php_parse_date of the file ext/date/lib/parse_date.c of the component Date Extension. Executing a manipulation can lead to information disclosure. This vulnerability appears as CVE-2017-11146. The attack may be performed from remote. There is no available exploit. You should upgrade the affected component.

Detailsinfo

A vulnerability has been found in PHP up to 5.6.31/7.0.21/7.1.7 (Programming Language Software) and classified as problematic. This vulnerability affects the function php_parse_date of the file ext/date/lib/parse_date.c of the component Date Extension. The manipulation with an unknown input leads to a information disclosure vulnerability. The CWE definition for the vulnerability is CWE-200. The product exposes sensitive information to an actor that is not explicitly authorized to have access to that information. As an impact it is known to affect confidentiality. CVE summarizes:

In PHP through 5.6.31, 7.x through 7.0.21, and 7.1.x through 7.1.7, lack of bounds checks in the date extension's timelib_meridian parsing code could be used by attackers able to supply date strings to leak information from the interpreter, related to ext/date/lib/parse_date.c out-of-bounds reads affecting the php_parse_date function. NOTE: this vulnerability exists because of an incomplete fix for CVE-2017-11145.

The bug was discovered 07/05/2017. The weakness was presented 07/10/2017 (oss-sec). The advisory is available at openwall.com. This vulnerability was named CVE-2017-11146 since 07/10/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Technical details are known, but there is no available exploit. This vulnerability is assigned to T1592 by the MITRE ATT&CK project.

The vulnerability was handled as a non-public zero-day exploit for at least 5 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 102947 (openSUSE Security Update : php7 (openSUSE-2017-994)), 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 170323 (SUSE Enterprise Linux Security Update for php7 (SUSE-SU-2017:2303-1)).

Upgrading 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 (102947) and SecurityFocus (BID 99612†). See VDB-103374, VDB-103375 and VDB-103377 for similar entries. If you want to get best quality of vulnerability data, you may have to visit VulDB.

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.3
VulDB Meta Temp Score: 5.1

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
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Exploitinginfo

Class: Information disclosure
CWE: CWE-200 / CWE-284 / CWE-266
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 102947
Nessus Name: openSUSE Security Update : php7 (openSUSE-2017-994)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 103043
OpenVAS Name: PHP Multiple Vulnerabilities - Jul17 (Windows)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

07/05/2017 🔍
07/10/2017 +5 days 🔍
07/10/2017 +0 days 🔍
07/10/2017 +0 days 🔍
07/11/2017 +1 days 🔍
09/04/2017 +55 days 🔍
09/05/2017 +1 days 🔍
12/12/2022 +1924 days 🔍

Sourcesinfo

Product: php.org

Advisory: 74819
Researcher: l dot wei
Status: Not defined

CVE: CVE-2017-11146 (🔍)
GCVE (CVE): GCVE-0-2017-11146
GCVE (VulDB): GCVE-100-103378
SecurityFocus: 99612 - PHP CVE-2017-11146 Incomplete Fix Out of Bounds Read Information Disclosure Vulnerability

See also: 🔍

Entryinfo

Created: 07/11/2017 12:46
Updated: 12/12/2022 09:35
Changes: 07/11/2017 12:46 (50), 10/24/2019 16:21 (15), 12/31/2020 13:16 (7), 12/31/2020 13:21 (1), 12/12/2022 09:35 (2)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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