Cisco IOS/IOS XE up to 12.2(15)BC2h Resource Reservation Protocol stack-based overflow

CVSS Meta Temp Score
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CTI Interest Score
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7.8$5k-$25k0.00

Summaryinfo

A vulnerability classified as critical was found in Cisco IOS and IOS XE. Affected by this issue is some unknown functionality of the component Resource Reservation Protocol. Executing a manipulation can lead to stack-based overflow. This vulnerability appears as CVE-2024-20433. The attack may be performed from remote. There is no available exploit. Upgrading the affected component is advised.

Detailsinfo

A vulnerability classified as critical was found in Cisco IOS and IOS XE. This vulnerability affects an unknown function of the component Resource Reservation Protocol. The manipulation with an unknown input leads to a stack-based overflow vulnerability. The CWE definition for the vulnerability is CWE-121. A stack-based buffer overflow condition is a condition where the buffer being overwritten is allocated on the stack (i.e., is a local variable or, rarely, a parameter to a function). As an impact it is known to affect availability. CVE summarizes:

A vulnerability in the Resource Reservation Protocol (RSVP) feature of Cisco IOS Software and Cisco IOS XE Software could allow an unauthenticated, remote attacker to cause an affected device to reload unexpectedly, resulting in a denial of service (DoS) condition. This vulnerability is due to a buffer overflow when processing crafted RSVP packets. An attacker could exploit this vulnerability by sending RSVP traffic to an affected device. A successful exploit could allow the attacker to cause the affected device to reload, resulting in a DoS condition.

The advisory is shared for download at sec.cloudapps.cisco.com. This vulnerability was named CVE-2024-20433 since 11/08/2023. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 12/30/2024).

The vulnerability scanner Nessus provides a plugin with the ID 213439 (Cisco IOS XE Software Resource Reservation Protocol DoS (cisco-sa-rsvp-dos-OypvgVZf)), which helps to determine the existence of the flaw in a target environment.

Upgrading eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (213439). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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Vendor

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Version

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Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.9
VulDB Meta Temp Score: 7.8

VulDB Base Score: 7.5
VulDB Temp Score: 7.2
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 8.6
CNA Vector (cisco): 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

Exploitinginfo

Class: Stack-based overflow
CWE: CWE-121 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 213439
Nessus Name: Cisco IOS XE Software Resource Reservation Protocol DoS (cisco-sa-rsvp-dos-OypvgVZf)

Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/08/2023 🔍
09/25/2024 +321 days 🔍
09/25/2024 +0 days 🔍
12/30/2024 +96 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-rsvp-dos-OypvgVZf
Status: Confirmed

CVE: CVE-2024-20433 (🔍)
GCVE (CVE): GCVE-0-2024-20433
GCVE (VulDB): GCVE-100-278488
scip Labs: https://www.scip.ch/en/?labs.20150108

Entryinfo

Created: 09/25/2024 18:45
Updated: 12/30/2024 21:38
Changes: 09/25/2024 18:45 (65), 10/04/2024 02:32 (12), 12/30/2024 21:38 (2)
Complete: 🔍
Cache ID: 216::103

VulDB is the best source for vulnerability data and more expert information about this specific topic.

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