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CiscoCVE-2017-3887

HistoryApr 07, 2017 - 5:59 p.m.

CVE-2017-3887

2017-04-0717:59:00

CWE-755

cisco

web.nvd.nist.gov

cve-2017-3887

ssl

cisco

firepower system software

vulnerability

nvd

dos

denial of service

remote attacker

snort

ssl decrypt-resign policy

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

5.7

Confidence

High

EPSS

0.001

Percentile

48.1%

JSON

A vulnerability in the detection engine that handles Secure Sockets Layer (SSL) packets for Cisco Firepower System Software could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition because the Snort process unexpectedly restarts. This vulnerability affects Cisco Firepower System Software prior to the first fixed release when it is configured with an SSL Decrypt-Resign policy. More Information: CSCvb62292. Known Affected Releases: 6.0.1 6.1.0 6.2.0. Known Fixed Releases: 6.2.0 6.1.0.2.

Affected configurations

Nvd

Node

ciscofirepower_threat_defenseMatch6.0.1

ciscofirepower_threat_defenseMatch6.1.0

ciscofirepower_threat_defenseMatch6.2.0

VendorProductVersionCPE
ciscofirepower_threat_defense6.0.1cpe:2.3:a:cisco:firepower_threat_defense:6.0.1:*:*:*:*:*:*:*
ciscofirepower_threat_defense6.1.0cpe:2.3:a:cisco:firepower_threat_defense:6.1.0:*:*:*:*:*:*:*
ciscofirepower_threat_defense6.2.0cpe:2.3:a:cisco:firepower_threat_defense:6.2.0:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cisco	firepower_threat_defense	6.0.1	cpe:2.3:a:cisco:firepower_threat_defense:6.0.1:::::::*
cisco	firepower_threat_defense	6.1.0	cpe:2.3:a:cisco:firepower_threat_defense:6.1.0:::::::*
cisco	firepower_threat_defense	6.2.0	cpe:2.3:a:cisco:firepower_threat_defense:6.2.0:::::::*

CNA Affected

[
  {
    "product": "Cisco Firepower Detection Engine",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Cisco Firepower Detection Engine"
      }
    ]
  }
]

References

www.securityfocus.com/bid/97453

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20170405-cfpw1

CVSS2

4.3

Attack Vector

NETWORK

Attack Complexity

MEDIUM

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.9

Attack Vector

NETWORK

Attack Complexity

HIGH

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

HIGH

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

AI Score

5.7

Confidence

High

EPSS

0.001

Percentile

48.1%

JSON

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