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Cisco Patches 33 Vulnerabilities in Enterprise Firewall Products

Cisco Patches 33 Vulnerabilities in Enterprise Firewall Products

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Cisco Patches 33 Vulnerabilities in Enterprise Firewall Merchandise

By Ionut Arghire on November 11, 2022

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Cisco this week introduced the discharge of patches for 33 high- and medium-severity vulnerabilities impacting enterprise firewall merchandise working Cisco Adaptive Safety Equipment (ASA), Firepower Menace Protection (FTD), and Firepower Administration Heart (FMC) software program.

Probably the most extreme of the safety defects is CVE-2022-20927, a bug within the dynamic entry insurance policies (DAP) performance of ASA and FTD software program, permitting a distant, unauthenticated attacker to trigger a denial-of-service (DoS) situation.

Because of improper processing of knowledge obtained from the Posture (HostScan) module, an attacker might ship crafted HostScan information to trigger the affected machine to reload, Cisco explains.

Equally extreme (CVSS rating of 8.6) is CVE-2022-20946, a DoS vulnerability within the generic routing encapsulation (GRE) tunnel decapsulation characteristic of FTD software program releases 6.3.zero and later.

The difficulty exists due to reminiscence dealing with errors through the processing of GRE visitors. An attacker can exploit the flaw by sending crafted GRE payloads via an affected machine, inflicting it to restart.

Three different high-severity DoS vulnerabilities that Cisco resolved this week affect the Easy Community Administration Protocol (SNMP) characteristic and the SSL/TLS consumer of ASA and FTD, and the processing of SSH connections of FMC and FTD.

In keeping with Cisco, these bugs exist because of inadequate enter validation, improper reminiscence administration when SSL/TLS connections are initiated, and improper error dealing with when the institution of an SSH session fails, respectively.

Different high-severity flaws Cisco resolved this week embody a default credentials concern in ASA and FMC, and a safe boot bypass in Safe Firewalls 3100 collection working ASA or FTD.

Cisco this week issued advisories for a complete of 26 medium-severity vulnerabilities in its enterprise firewall merchandise.

A very powerful of the advisories offers with 15 cross-site scripting (XSS) bugs within the web-based administration interface of FMC. The problems exist because of inadequate validation of user-supplied enter, permitting an attacker to execute code within the context of the weak interface, and even leak browser-based info.

Cisco patched the failings as a part of its semiannual set of fixes for ASA, FTD, and FMC software program. The patches have been scheduled for publication on October 26, however the firm delayed their launch by roughly two weeks.

The tech big says it isn’t conscious of any public exploits concentrating on any of those vulnerabilities. Extra info on the failings will be discovered on Cisco’s product safety web page.

Associated: Cisco Patches Excessive-Severity Bugs in E mail, Id, Internet Safety Merchandise

Associated: Citrix Patches Important Vulnerability in Gateway, ADC

Associated: SAP Patches Important Vulnerabilities in BusinessObjects, SAPUI5

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