Network Security Services lib/dbm/src/h_page.c __get_page memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability categorized as critical has been discovered in Network Security Services. This vulnerability affects the function __get_page of the file lib/dbm/src/h_page.c. The manipulation results in memory corruption. This vulnerability is reported as CVE-2017-11698. The attack requires a local approach. Moreover, an exploit is present. It is advisable to implement a patch to correct this issue.

Detailsinfo

A vulnerability classified as critical has been found in Network Security Services (affected version unknown). Affected is the function __get_page of the file lib/dbm/src/h_page.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. CVE summarizes:

Heap-based buffer overflow in the __get_page function in lib/dbm/src/h_page.c in Mozilla Network Security Services (NSS) allows context-dependent attackers to have unspecified impact using a crafted cert8.db file.

The bug was discovered 08/09/2017. The weakness was disclosed 08/09/2017 by Brian Carpenter as confirmed mailinglist post (Full-Disclosure). The advisory is shared for download at seclists.org. This vulnerability is traded as CVE-2017-11698 since 07/27/2017. The exploitability is told to be easy. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. Technical details and a public exploit are known.

The exploit is shared for download at packetstormsecurity.com. It is declared as proof-of-concept. The vulnerability scanner Nessus provides a plugin with the ID 232037 (Linux Distros Unpatched Vulnerability : CVE-2017-11698), which helps to determine the existence of the flaw in a target environment.

Applying the patch 13315:769f9ae07b10 is able to eliminate this problem.

The vulnerability is also documented in the databases at Tenable (232037), SecurityFocus (BID 100345†) and SecurityTracker (ID 1039153†). The entries VDB-105369, VDB-105370 and VDB-105371 are pretty similar. Once again VulDB remains the best 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: 6.5
VulDB Meta Temp Score: 6.3

VulDB Base Score: 5.3
VulDB Temp Score: 4.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.8
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: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 232037
Nessus Name: Linux Distros Unpatched Vulnerability : CVE-2017-11698

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Patch
Status: 🔍

0-Day Time: 🔍

Patch: 13315:769f9ae07b10

Timelineinfo

07/27/2017 🔍
08/09/2017 +13 days 🔍
08/09/2017 +0 days 🔍
08/09/2017 +0 days 🔍
08/15/2017 +6 days 🔍
08/16/2017 +1 days 🔍
12/27/2017 +133 days 🔍
03/07/2025 +2627 days 🔍

Sourcesinfo

Advisory: 143735
Researcher: Brian Carpenter
Status: Confirmed

CVE: CVE-2017-11698 (🔍)
GCVE (CVE): GCVE-0-2017-11698
GCVE (VulDB): GCVE-100-105372
SecurityFocus: 100345 - Mozilla NSS Multiple Heap Buffer Overflow and Denial of Service Vulnerabilities
SecurityTracker: 1039153

scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍

Entryinfo

Created: 08/16/2017 04:06
Updated: 03/07/2025 11:26
Changes: 08/16/2017 04:06 (64), 11/07/2019 14:04 (5), 12/15/2022 18:59 (4), 06/23/2024 02:32 (21), 03/07/2025 11:26 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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