VDB-135142 · CVE-2019-1853 · BID 108364

Cisco AnyConnect Secure Mobility Client on Linux HostScan HTTP Traffic out-of-bounds

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
5.9$0-$5k0.00

Summaryinfo

A vulnerability classified as problematic was found in Cisco AnyConnect Secure Mobility Client on Linux. The impacted element is an unknown function of the component HostScan. Executing a manipulation as part of HTTP Traffic can lead to out-of-bounds. This vulnerability is tracked as CVE-2019-1853. The attack can be launched remotely. No exploit exists.

Detailsinfo

A vulnerability was found in Cisco AnyConnect Secure Mobility Client on Linux (Network Encryption Software) (version unknown). It has been declared as problematic. This vulnerability affects an unknown function of the component HostScan. The manipulation as part of a HTTP Traffic leads to a out-of-bounds vulnerability. The CWE definition for the vulnerability is CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. As an impact it is known to affect confidentiality. CVE summarizes:

A vulnerability in the HostScan component of Cisco AnyConnect Secure Mobility Client for Linux could allow an unauthenticated, remote attacker to read sensitive information on an affected system. The vulnerability exists because the affected software performs improper bounds checks. An attacker could exploit this vulnerability by crafting HTTP traffic for the affected component to download and process. A successful exploit could allow the attacker to read sensitive information on the affected system.

The bug was discovered 05/15/2019. The weakness was disclosed 05/16/2019 as cisco-sa-20190515-anyconnectcl as confirmed advisory (Website). The advisory is available at tools.cisco.com. This vulnerability was named CVE-2019-1853 since 12/06/2018. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. The technical details are unknown and an exploit is not available. The structure of the vulnerability defines a possible price range of USD $0-$5k at the moment (estimation calculated on 09/21/2023).

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.

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Productinfo

Type

Vendor

Name

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.9
VulDB Meta Temp Score: 5.9

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

NVD Base Score: 7.5
NVD Vector: 🔍

CNA Base Score: 4.8
CNA Vector (Cisco Systems, Inc.): 🔍

CVSSv2info

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

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / 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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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

12/06/2018 🔍
05/15/2019 +160 days 🔍
05/16/2019 +1 days 🔍
05/16/2019 +0 days 🔍
09/21/2023 +1589 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: cisco-sa-20190515-anyconnectcl
Status: Confirmed

CVE: CVE-2019-1853 (🔍)
GCVE (CVE): GCVE-0-2019-1853
GCVE (VulDB): GCVE-100-135142
SecurityFocus: 108364

Entryinfo

Created: 05/16/2019 14:02
Updated: 09/21/2023 14:17
Changes: 05/16/2019 14:02 (59), 06/13/2020 08:16 (1), 09/21/2023 14:16 (3), 09/21/2023 14:17 (12)
Complete: 🔍
Cache ID: 216::103

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