Home/CVE/Null pointer dereference vulnerability in NSS since 3.24.0 was found when server receives empty SSLv2 messages resulting
CVE

CVE-2017-7502

Null pointer dereference vulnerability in NSS since 3.24.0 was found when server receives empty SSLv2 messages resulting

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.

HIGH · CVSS 7.5 EPSS 0.01449
Schedule remediation
  • CVSS base score ≥ 7.0
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-476NULL Pointer Dereference
CWE-476NULL Pointer Dereference
▤

Affected Products & Versions

1
mozilla network security servicesall versions
▣

Scoring & Timeline

7.5
HIGH · CVSS v3.0 · secalert@redhat.com
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD30 May 2017 · 06:29 PM
CVSS VectorCVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

5
usnUSN-3372-1
usnUSN-3336-1
rhsaRHSA-2017:1567Important
rhsaRHSA-2017:1365Important
rhsaRHSA-2017:1364Important
🔗

References & Sources

6
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://www.debian.org/security/2017/dsa-3872
http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html
http://www.securityfocus.com/bid/98744Third Party AdvisoryVDB Entry
http://www.securitytracker.com/id/1038579
https://access.redhat.com/errata/RHSA-2017:1712
https://hg.mozilla.org/projects/nss/rev/55ea60effd0dPatch
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