CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
---|---|---|
6.7 | $0-$5k | 0.00 |
A vulnerability classified as critical has been found in Cisco NX-OS (Router Operating System) (the affected version is unknown). Affected is an unknown code of the component RIP Service. The manipulation with an unknown input leads to a input validation vulnerability. CWE is classifying the issue as CWE-20. The product receives input or data, but it does
not validate or incorrectly validates that the input has the
properties that are required to process the data safely and
correctly. This is going to have an impact on availability. CVE summarizes:
The RIP service engine in Cisco NX-OS allows remote attackers to cause a denial of service (engine restart) via a malformed (1) RIPv4 or (2) RIPv6 message, aka Bug ID CSCtj73415.
The weakness was disclosed 10/04/2013 as CSCtj73415 as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability is traded as CVE-2012-4091 since 07/31/2012. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. Technical details are unknown but a public exploit is available.
After immediately, there has been an exploit disclosed. It is declared as proof-of-concept. As 0-day the estimated underground price was around $25k-$100k.
Upgrading eliminates this vulnerability.It is possible to mitigate the weakness by firewalling udp/520. The best possible mitigation is suggested to be upgrading to the latest version.
The vulnerability is also documented in the vulnerability database at X-Force (87669). The entries 10606, 10605, 10604 and 10603 are pretty similar.
Product
Type
Vendor
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB CVSS-B Score: 🔍VulDB CVSS-BT Score: 🔍
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 7.5VulDB Meta Temp Score: 6.7
VulDB Base Score: 7.5
VulDB Temp Score: 6.7
VulDB Vector: 🔍
VulDB Reliability: 🔍
CVSSv2
AV | AC | Au | C | I | A |
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💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
---|---|---|---|---|---|
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
unlock | unlock | unlock | unlock | unlock | unlock |
VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Input validationCWE: CWE-20
CAPEC: 🔍
ATT&CK: 🔍
Local: No
Remote: Yes
Availability: 🔍
Access: Public
Status: Proof-of-Concept
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
0-Day | unlock | unlock | unlock | unlock |
---|---|---|---|---|
Today | unlock | unlock | unlock | unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Exploit Delay Time: 🔍
Firewalling: 🔍
Timeline
07/31/2012 🔍10/04/2013 🔍
10/04/2013 🔍
10/04/2013 🔍
10/04/2013 🔍
10/05/2013 🔍
10/08/2013 🔍
10/29/2013 🔍
05/26/2021 🔍
Sources
Vendor: cisco.comAdvisory: CSCtj73415
Status: Confirmed
CVE: CVE-2012-4091 (🔍)
X-Force: 87669
SecurityTracker: 1029159
Vulnerability Center: 42120 - Cisco NX-OS on Nexus 7000 Remote DoS Vulnerability via RIPv4 or RIPv6 Messages, Medium
SecurityFocus: 62838
OSVDB: 98124
scip Labs: https://www.scip.ch/en/?labs.20161013
See also: 🔍
Entry
Created: 10/08/2013 17:40Updated: 05/26/2021 09:52
Changes: 10/08/2013 17:40 (47), 05/14/2017 09:52 (18), 05/26/2021 09:49 (3), 05/26/2021 09:52 (2)
Complete: 🔍
Cache ID: 3:352
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