VDB-108264 · CVE-2017-12259 · BID 101488

Cisco Small Business SPA51x Series IP 7.6.2SR1 Session Initiation Protocol SIP Message memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.4$5k-$25k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in Cisco Small Business SPA51x Series IP 7.6.2SR1. This affects an unknown part of the component Session Initiation Protocol. The manipulation as part of SIP Message results in memory corruption. This vulnerability is cataloged as CVE-2017-12259. The attack may be launched remotely. There is no exploit available.

Detailsinfo

A vulnerability, which was classified as problematic, was found in Cisco Small Business SPA51x Series IP 7.6.2SR1. Affected is some unknown functionality of the component Session Initiation Protocol. The manipulation as part of a SIP Message leads to a memory corruption vulnerability. CWE is classifying the issue as CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. This is going to have an impact on availability. CVE summarizes:

A vulnerability in the implementation of Session Initiation Protocol (SIP) functionality in Cisco Small Business SPA51x Series IP Phones could allow an unauthenticated, remote attacker to cause an affected device to become unresponsive, resulting in a denial of service (DoS) condition. The vulnerability is due to the improper handling of SIP request messages by an affected device. An attacker could exploit this vulnerability by sending malformed SIP messages to an affected device. A successful exploit could allow the attacker to cause the affected device to become unresponsive, resulting in a DoS condition that persists until the device is restarted manually. This vulnerability affects Cisco Small Business SPA51x Series IP Phones that are running Cisco SPA51x Firmware Release 7.6.2SR1 or earlier. Cisco Bug IDs: CSCvc63982.

The bug was discovered 10/18/2017. The weakness was shared 10/19/2017 with Cisco (Website). The advisory is shared for download at securitytracker.com. This vulnerability is traded as CVE-2017-12259 since 08/03/2017. The exploitability is told to be easy. It is possible to launch the attack remotely. The exploitation doesn't require any form of authentication. 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 01/19/2021).

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 101488†). VulDB is the best source for vulnerability data and more expert information about this specific topic.

Productinfo

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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

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

NVD Base Score: 🔍

Exploitinginfo

Class: Memory corruption
CWE: 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

08/03/2017 🔍
10/18/2017 +76 days 🔍
10/18/2017 +0 days 🔍
10/19/2017 +1 days 🔍
10/19/2017 +0 days 🔍
10/20/2017 +1 days 🔍
01/19/2021 +1187 days 🔍

Sourcesinfo

Vendor: cisco.com

Advisory: securitytracker.com⛔
Researcher: Cisco
Organization: Cisco
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12259 (🔍)
GCVE (CVE): GCVE-0-2017-12259
GCVE (VulDB): GCVE-100-108264
SecurityFocus: 101488 - Cisco Small Business SPA51x Series IP Phones Remote Denial of Service Vulnerability
SecurityTracker: 1039615

Entryinfo

Created: 10/20/2017 08:59
Updated: 01/19/2021 10:01
Changes: 10/20/2017 08:59 (60), 11/26/2019 19:19 (4), 01/19/2021 09:56 (3), 01/19/2021 10:01 (1)
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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