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CiscoCVE-2018-0256

HistoryApr 19, 2018 - 8:29 p.m.

CVE-2018-0256

2018-04-1920:29:01

CWE-20

cisco

web.nvd.nist.gov

cisco

packet data network gateway

vulnerability

remote attacker

dos

nvd

cve-2018-0256

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

AI Score

5.8

Confidence

High

EPSS

0.001

Percentile

46.9%

JSON

A vulnerability in the peer-to-peer message processing functionality of Cisco Packet Data Network Gateway could allow an unauthenticated, remote attacker to cause the Session Manager (SESSMGR) process on an affected device to restart, resulting in a denial of service (DoS) condition. The vulnerability is due to incorrect validation of peer-to-peer packet headers. An attacker could exploit this vulnerability by sending a crafted peer-to-peer packet through an affected device. A successful exploit could allow the attacker to cause the SESSMGR process on the affected device to restart unexpectedly, which could briefly impact traffic while the SESSMGR process restarts and result in a DoS condition. Cisco Bug IDs: CSCvg88786.

Affected configurations

Nvd

Node

ciscoasr_5000_series_softwareMatch20.3.0.66671

ciscoasr_5000_series_softwareMatchp2p_2.16.879

VendorProductVersionCPE
ciscoasr_5000_series_software20.3.0.66671cpe:2.3:o:cisco:asr_5000_series_software:20.3.0.66671:*:*:*:*:*:*:*
ciscoasr_5000_series_softwarep2p_2.16.879cpe:2.3:o:cisco:asr_5000_series_software:p2p_2.16.879:*:*:*:*:*:*:*

Vendor	Product	Version	CPE
cisco	asr_5000_series_software	20.3.0.66671	cpe:2.3:o:cisco:asr_5000_series_software:20.3.0.66671:::::::*
cisco	asr_5000_series_software	p2p_2.16.879	cpe:2.3:o:cisco:asr_5000_series_software:p2p_2.16.879:::::::*

CNA Affected

[
  {
    "product": "Cisco Packet Data Network Gateway",
    "vendor": "n/a",
    "versions": [
      {
        "status": "affected",
        "version": "Cisco Packet Data Network Gateway"
      }
    ]
  }
]

References

www.securityfocus.com/bid/103951

tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-20180418-pdng

CVSS2

Attack Vector

NETWORK

Attack Complexity

LOW

Authentication

NONE

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

PARTIAL

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

CVSS3

5.8

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

CHANGED

Confidentiality Impact

NONE

Integrity Impact

NONE

Availability Impact

LOW

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

AI Score

5.8

Confidence

High

EPSS

0.001

Percentile

46.9%

JSON

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