VDB-119777 · CVE-2018-0358 · BID 104521

Cisco TelePresence Video Communication Server File Descriptors file descriptor consumption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$0-$5k0.00

Summaryinfo

A vulnerability was found in Cisco TelePresence Video Communication Server. It has been rated as problematic. This impacts an unknown function of the component File Descriptors. The manipulation leads to file descriptor consumption. This vulnerability is uniquely identified as CVE-2018-0358. The attack is possible to be carried out remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Cisco TelePresence Video Communication Server (Unified Communication Software) (version unknown) and classified as problematic. This issue affects an unknown function of the component File Descriptors. The manipulation with an unknown input leads to a file descriptor consumption vulnerability. Using CWE to declare the problem leads to CWE-769. This entry has been deprecated because it was a duplicate of CWE-774. All content has been transferred to CWE-774. Impacted is availability. The summary by CVE is:

A vulnerability in the file descriptor handling of Cisco TelePresence Video Communication Server (VCS) Expressway could allow an unauthenticated, remote attacker to cause a denial of service (DoS) condition. The vulnerability is due to exhaustion of file descriptors while processing a high volume of traffic. An attacker could exploit this vulnerability by establishing a high number of concurrent TCP connections to the vulnerable system. An exploit could allow the attacker to cause a restart in a specific process, resulting in a temporary interruption of service. Cisco Bug IDs: CSCvh77056, CSCvh77058, CSCvh95264.

The bug was discovered 06/20/2018. The weakness was disclosed 06/21/2018 with Cisco as cisco-sa-20180620-vcse-dos / CSCvh95264 as confirmed advisory (Website). The advisory is shared at tools.cisco.com. The identification of this vulnerability is CVE-2018-0358 since 11/27/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $0-$5k at the moment (estimation calculated on 03/28/2023).

The vulnerability was handled as a non-public zero-day exploit for at least 1 days. During that time the estimated underground price was around $5k-$25k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 104521†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.4
VulDB Meta Temp Score: 6.4

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.5
NVD Vector: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: File descriptor consumption
CWE: CWE-769 / CWE-400 / CWE-404
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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

11/27/2017 🔍
06/20/2018 +205 days 🔍
06/20/2018 +0 days 🔍
06/21/2018 +0 days 🔍
06/21/2018 +0 days 🔍
06/21/2018 +0 days 🔍
03/28/2023 +1741 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20180620-vcse-dos / CSCvh95264
Organization: Cisco
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2018-0358 (🔍)
GCVE (CVE): GCVE-0-2018-0358
GCVE (VulDB): GCVE-100-119777
SecurityFocus: 104521 - Cisco TelePresence Video Communication Server Expressway Denial of Service Vulnerability
SecurityTracker: 1041172

Entryinfo

Created: 06/21/2018 18:52
Updated: 03/28/2023 14:08
Changes: 06/21/2018 18:52 (60), 02/21/2020 08:23 (5), 03/28/2023 14:08 (3)
Complete: 🔍
Cache ID: 216::103

Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

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