CVE-2017-7502

Summary

CVE	CVE-2017-7502
State	PUBLISHED
Assigner	redhat
Source Priority	CVE Program / NVD first with legacy fallback
Published	2017-05-30 18:29:00 UTC
Updated	2025-04-20 01:37:25 UTC
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.

Primary CVSS: v3.0 7.5 HIGH from [email protected]

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Problem Types: CWE-476 | CWE-476 CWE-476

Version	Source	Type	Score	Severity	Vector
3.0	[email protected]	Primary	7.5	HIGH	`CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H`
2.0	[email protected]	Primary	5		`AV:N/AC:L/Au:N/C:N/I:N/A:P`

Attack Vector

Network

Attack Complexity

Low

Privileges Required

None

User Interaction

None

Scope

Unchanged

Confidentiality

None

Integrity

None

Availability

High

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

Access Vector

Network

Access Complexity

Low

Authentication

None

Confidentiality

None

Integrity

None

Availability

Partial

AV:N/AC:L/Au:N/C:N/I:N/A:P

Type	Vendor	Product	Version	Update	Edition	Language
Application	Mozilla	Network Security Services	3.24.0	All	All	All
Application	Mozilla	Network Security Services	3.25.0	All	All	All
Application	Mozilla	Network Security Services	3.25.1	All	All	All
Application	Mozilla	Network Security Services	3.26.0	All	All	All
Application	Mozilla	Network Security Services	3.26.2	All	All	All
Application	Mozilla	Network Security Services	3.27.0	All	All	All
Application	Mozilla	Network Security Services	3.27.1	All	All	All
Application	Mozilla	Network Security Services	3.27.2	All	All	All
Application	Mozilla	Network Security Services	3.28.0	All	All	All
Application	Mozilla	Network Security Services	3.28.1	All	All	All
Application	Mozilla	Network Security Services	3.28.2	All	All	All
Application	Mozilla	Network Security Services	3.28.3	All	All	All
Application	Mozilla	Network Security Services	3.29.0	All	All	All
Application	Mozilla	Network Security Services	3.29.1	All	All	All
Application	Mozilla	Network Security Services	3.29.2	All	All	All
Application	Mozilla	Network Security Services	3.29.3	All	All	All
Application	Mozilla	Network Security Services	3.30.0	All	All	All
Application	Mozilla	Network Security Services	3.30.1	All	All	All

Source	Vendor	Product	Version	Platforms
CNA	NSS Project	Nss	affected since 3.24.0	Not specified

Reference	Source	Link	Tags
Mozilla Network Security Services CVE-2017-7502 Denial of Service Vulnerability	af854a3a-2127-422b-91ae-364da2661108	www.securityfocus.com	Third Party Advisory, VDB Entry
Network Security Services (NSS) Null Pointer Dereference in ssl3_GatherData() Lets Remote Users Cause the Target Service to Crash - SecurityTracker	af854a3a-2127-422b-91ae-364da2661108	www.securitytracker.com
Red Hat Customer Portal	af854a3a-2127-422b-91ae-364da2661108	access.redhat.com
nss: changeset 13001:55ea60effd0d7c427f9b57a0bd43fb0fcbdae0e9	af854a3a-2127-422b-91ae-364da2661108	hg.mozilla.org	Patch
Debian -- Security Information -- DSA-3872-1 nss	af854a3a-2127-422b-91ae-364da2661108	www.debian.org
Red Hat Customer Portal	af854a3a-2127-422b-91ae-364da2661108	access.redhat.com
Red Hat Customer Portal	af854a3a-2127-422b-91ae-364da2661108	access.redhat.com
Oracle Critical Patch Update - October 2017	af854a3a-2127-422b-91ae-364da2661108	www.oracle.com
Red Hat Customer Portal	af854a3a-2127-422b-91ae-364da2661108	access.redhat.com
CVE-2017-7502 - Red Hat Customer Portal	MITRE	access.redhat.com
Bug 1446631 – CVE-2017-7502 nss: Null pointer dereference when handling empty SSLv2 messages	MITRE	bugzilla.redhat.com
CVE Program record	CVE.ORG	www.cve.org	canonical
NVD vulnerability detail	NVD	nvd.nist.gov	canonical, analysis

No vendor comments have been submitted for this CVE.