Cisco Adaptive Security Appliance Software Web Services Buffer Overflow DoS (cisco-sa-memc-dos-fncTyYKG)

high Nessus Plugin ID 149299
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Synopsis

The remote device is missing a vendor-supplied security patch

Description

According to its self-reported version, Cisco ASA Software is affected by a vulnerability due to insufficient boundary checks. An authenticated, remote attacker can exploit this, by sending a crafted HTTP request to the web services interface, in order to cause a denial of service (DoS) condition.

Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number.

Solution

Upgrade to the relevant fixed version referenced in Cisco bug ID CSCvw52609

See Also

http://www.nessus.org/u?b4d5076e

http://tools.cisco.com/security/center/viewErp.x?alertId=ERP-74594

https://bst.cloudapps.cisco.com/bugsearch/bug/CSCvw52609

Plugin Details

Severity: High

ID: 149299

File Name: cisco-sa-memc-dos-fncTyYKG-asa.nasl

Version: 1.5

Type: local

Family: CISCO

Published: 5/6/2021

Updated: 5/10/2021

Dependencies: ssh_get_info.nasl

Risk Information

CVSS Score Source: CVE-2021-1493

VPR

Risk Factor: Medium

Score: 4.2

CVSS v2

Risk Factor: High

Base Score: 7.5

Temporal Score: 5.5

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

Temporal Vector: E:U/RL:OF/RC:C

CVSS v3

Risk Factor: High

Base Score: 7.1

Temporal Score: 6.2

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

Temporal Vector: E:U/RL:O/RC:C

Vulnerability Information

CPE: cpe:/a:cisco:adaptive_security_appliance_software

Required KB Items: Host/Cisco/ASA

Exploit Ease: No known exploits are available

Patch Publication Date: 4/28/2021

Vulnerability Publication Date: 4/28/2021

Reference Information

CVE: CVE-2021-1493

IAVA: 2021-A-0205

CISCO-BUG-ID: CSCvw52609

CISCO-SA: cisco-sa-memc-dos-fncTyYKG

CWE: 120