nginx up to 1.13.2 Range Filter Request integer overflow

CVSS Meta Temp Score
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CTI Interest Score
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6.3$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in nginx up to 1.13.2. The impacted element is an unknown function of the component Range Filter. The manipulation as part of Request leads to integer overflow. This vulnerability is uniquely identified as CVE-2017-7529. The attack is possible to be carried out remotely. No exploit exists. It is recommended to apply restrictive firewalling.

Detailsinfo

A vulnerability was found in nginx up to 1.13.2 (Web Server). It has been rated as critical. This issue affects an unknown functionality of the component Range Filter. The manipulation as part of a Request 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. The summary by CVE is:

Nginx versions since 0.5.6 up to and including 1.13.2 are vulnerable to integer overflow vulnerability in nginx range filter module resulting into leak of potentially sensitive information triggered by specially crafted request.

The bug was discovered 03/31/2018. The weakness was disclosed 07/13/2017 (Website). The advisory is shared at mailman.nginx.org. The identification of this vulnerability is CVE-2017-7529 since 04/05/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available.

The vulnerability scanner Nessus provides a plugin with the ID 101535 (Debian DLA-1024-1 : nginx 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. The commercial vulnerability scanner Qualys is able to test this issue with plugin 171061 (OpenSUSE Security Update for nginx (openSUSE-SU-2018:0823-1)).

Addressing this vulnerability is possible by firewalling . A possible mitigation has been published immediately after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (101535), SecurityFocus (BID 99534†) and SecurityTracker (ID 1039238†). seclists.org is providing further details. If you want to get the best quality for vulnerability data then you always have to consider VulDB.

Not Affected

  • nginx up to 0.5.5

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

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

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: 101535
Nessus Name: Debian DLA-1024-1 : nginx security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 703908
OpenVAS Name: Debian Security Advisory DSA 3908-1 (nginx - security update)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Firewall
Status: 🔍

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

Timelineinfo

04/05/2017 🔍
07/11/2017 +97 days 🔍
07/13/2017 +2 days 🔍
07/13/2017 +0 days 🔍
07/13/2017 +0 days 🔍
07/14/2017 +1 days 🔍
07/14/2017 +0 days 🔍
08/29/2017 +46 days 🔍
03/31/2018 +214 days 🔍
12/12/2022 +1717 days 🔍

Sourcesinfo

Advisory: RHSA-2017:2538
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2017-7529 (🔍)
GCVE (CVE): GCVE-0-2017-7529
GCVE (VulDB): GCVE-100-103517

OVAL: 🔍

SecurityFocus: 99534 - Nginx CVE-2017-7529 Remote Integer Overflow Vulnerability
SecurityTracker: 1039238

Misc.: 🔍

Entryinfo

Created: 07/14/2017 10:40
Updated: 12/12/2022 12:38
Changes: 07/14/2017 10:40 (82), 01/09/2020 20:38 (3), 12/12/2022 12:38 (4)
Complete: 🔍
Cache ID: 216::103

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