PHP up to 7.1.5 mysqli_real_escape_string integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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8.4$0-$5k0.00

Summaryinfo

A vulnerability was found in PHP up to 7.1.5. It has been rated as critical. This impacts the function mysqli_real_escape_string. The manipulation leads to integer overflow. This vulnerability is traded as CVE-2017-9120. It is possible to initiate the attack remotely. There is no exploit available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in PHP up to 7.1.5 (Programming Language Software) and classified as critical. This issue affects the function mysqli_real_escape_string. The manipulation with an unknown input leads to a integer overflow vulnerability. Using CWE to declare the problem leads to CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

PHP 7.x through 7.1.5 allows remote attackers to cause a denial of service (buffer overflow and application crash) or possibly have unspecified other impact via a long string because of an Integer overflow in mysqli_real_escape_string.

The bug was discovered 05/05/2017. The weakness was shared 08/02/2018 (Website). The advisory is shared at bugs.php.net. The identification of this vulnerability is CVE-2017-9120 since 05/21/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Technical details are known, but no exploit is available.

The vulnerability was handled as a non-public zero-day exploit for at least 454 days. During that time the estimated underground price was around $5k-$25k. The vulnerability scanner Nessus provides a plugin with the ID 112001 (openSUSE Security Update : php7 (openSUSE-2018-892)), 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 171447 (SUSE Enterprise Linux Security Update for php7 (SUSE-SU-2018:2333-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 3 weeks after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (112001) and SecurityFocus (BID 104871†). The entries VDB-122558, VDB-122548, VDB-122592 and VDB-122714 are related to this item. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.4

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

NVD Base Score: 9.8
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
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NVD Base Score: 🔍

Exploitinginfo

Class: Integer overflow
CWE: CWE-190 / CWE-189
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: 112001
Nessus Name: openSUSE Security Update : php7 (openSUSE-2018-892)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

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

Timelineinfo

05/05/2017 🔍
05/21/2017 +15 days 🔍
07/19/2018 +424 days 🔍
08/02/2018 +13 days 🔍
08/02/2018 +0 days 🔍
08/03/2018 +1 days 🔍
08/17/2018 +14 days 🔍
08/20/2018 +3 days 🔍
04/29/2023 +1713 days 🔍

Sourcesinfo

Product: php.org

Advisory: RHSA-2019:2519
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-9120 (🔍)
GCVE (CVE): GCVE-0-2017-9120
GCVE (VulDB): GCVE-100-122549
SecurityFocus: 104871 - PHP Multiple Heap Buffer Overflow Vulnerabilities

See also: 🔍

Entryinfo

Created: 08/03/2018 07:21
Updated: 04/29/2023 12:37
Changes: 08/03/2018 07:21 (74), 03/12/2020 20:39 (6), 04/29/2023 12:37 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get the best quality for vulnerability data then you always have to consider VulDB.

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