CVE-2017-7502
Mozilla NSS Denial of Service Input Validation Bypass
Description
Null pointer dereference vulnerability in NSS since 3.24.0 was found when server receives empty SSLv2 messages resulting into denial of service by remote attacker.
INFO
Published Date :
May 30, 2017, 6:29 p.m.
Last Modified :
Feb. 12, 2023, 11:30 p.m.
Source :
[email protected]
Remotely Exploitable :
Yes !
Impact Score :
3.6
Exploitability Score :
3.9
References to Advisories, Solutions, and Tools
Here, you will find a curated list of external links that provide in-depth
information, practical solutions, and valuable tools related to
CVE-2017-7502.
We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).
Results are limited to the first 15 repositories due to potential performance issues.
The following list is the news that have been mention
CVE-2017-7502 vulnerability anywhere in the article.
The following table lists the changes that have been made to the
CVE-2017-7502 vulnerability over time.
Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.
-
CVE Modified by [email protected]
May. 14, 2024
Action Type Old Value New Value -
CVE Modified by [email protected]
Feb. 12, 2023
Action Type Old Value New Value Changed Description A null pointer dereference flaw was found in the way NSS handled empty SSLv2 messages. An attacker could use this flaw to crash a server application compiled against the NSS library. Null pointer dereference vulnerability in NSS since 3.24.0 was found when server receives empty SSLv2 messages resulting into denial of service by remote attacker. Removed CVSS V3 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Removed Reference https://access.redhat.com/security/cve/CVE-2017-7502 [No Types Assigned] Removed Reference https://bugzilla.redhat.com/show_bug.cgi?id=1446631 [No Types Assigned] Added CWE Red Hat, Inc. CWE-476 -
CVE Modified by [email protected]
Feb. 02, 2023
Action Type Old Value New Value Changed Description Null pointer dereference vulnerability in NSS since 3.24.0 was found when server receives empty SSLv2 messages resulting into denial of service by remote attacker. A null pointer dereference flaw was found in the way NSS handled empty SSLv2 messages. An attacker could use this flaw to crash a server application compiled against the NSS library. Added CVSS V3 Red Hat, Inc. AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Added Reference https://bugzilla.redhat.com/show_bug.cgi?id=1446631 [No Types Assigned] Added Reference https://access.redhat.com/security/cve/CVE-2017-7502 [No Types Assigned] Removed CWE Red Hat, Inc. CWE-476 -
CVE Modified by [email protected]
Oct. 09, 2019
Action Type Old Value New Value Added CWE Red Hat, Inc. CWE-476 -
CVE Modified by [email protected]
Jan. 05, 2018
Action Type Old Value New Value Added Reference https://access.redhat.com/errata/RHSA-2017:1712 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:1567 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:1365 [No Types Assigned] Added Reference https://access.redhat.com/errata/RHSA-2017:1364 [No Types Assigned] -
CVE Modified by [email protected]
Nov. 04, 2017
Action Type Old Value New Value Added Reference http://www.debian.org/security/2017/dsa-3872 [No Types Assigned] -
CVE Modified by [email protected]
Oct. 20, 2017
Action Type Old Value New Value Added Reference http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html [No Types Assigned] -
CVE Modified by [email protected]
Jul. 08, 2017
Action Type Old Value New Value Added Reference http://www.securitytracker.com/id/1038579 [No Types Assigned] -
Initial Analysis by [email protected]
Jun. 09, 2017
Action Type Old Value New Value Added CVSS V2 (AV:N/AC:L/Au:N/C:N/I:N/A:P) Added CVSS V3 AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Changed Reference Type http://www.securityfocus.com/bid/98744 No Types Assigned http://www.securityfocus.com/bid/98744 Third Party Advisory, VDB Entry Changed Reference Type https://hg.mozilla.org/projects/nss/rev/55ea60effd0d No Types Assigned https://hg.mozilla.org/projects/nss/rev/55ea60effd0d Patch Added CWE CWE-476 Added CPE Configuration OR *cpe:2.3:a:mozilla:network_security_services:3.24.0:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:network_security_services:3.25.0:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:network_security_services:3.25.1:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:network_security_services:3.26.0:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:network_security_services:3.26.2:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:network_security_services:3.27.0:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:network_security_services:3.27.1:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:network_security_services:3.27.2:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:network_security_services:3.28.0:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:network_security_services:3.28.1:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:network_security_services:3.28.2:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:network_security_services:3.28.3:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:network_security_services:3.29.0:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:network_security_services:3.29.1:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:network_security_services:3.29.2:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:network_security_services:3.29.3:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:network_security_services:3.30.0:*:*:*:*:*:*:* *cpe:2.3:a:mozilla:network_security_services:3.30.1:*:*:*:*:*:*:* -
CVE Modified by [email protected]
Jun. 02, 2017
Action Type Old Value New Value Added Reference http://www.securityfocus.com/bid/98744 [No Types Assigned]
CWE - Common Weakness Enumeration
While CVE identifies
specific instances of vulnerabilities, CWE categorizes the common flaws or
weaknesses that can lead to vulnerabilities. CVE-2017-7502 is
associated with the following CWEs:
Common Attack Pattern Enumeration and Classification (CAPEC)
Common Attack Pattern Enumeration and Classification
(CAPEC)
stores attack patterns, which are descriptions of the common attributes and
approaches employed by adversaries to exploit the CVE-2017-7502
weaknesses.
Exploit Prediction
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days.
4.51 }} 0.50%
score
0.92638
percentile