VDB-108265 · CVE-2017-12260 · BID 101495

Cisco Small Business SPA50x 7.6.2SR1 Session Initiation Protocol memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.5$5k-$25k0.00

Summaryinfo

A vulnerability has been found in Cisco Small Business SPA50x, Small Business SPA51x and Smass Business SPA52x 7.6.2SR1 and classified as problematic. This vulnerability affects unknown code of the component Session Initiation Protocol. This manipulation causes memory corruption. This vulnerability is registered as CVE-2017-12260. Remote exploitation of the attack is possible. No exploit is available.

Detailsinfo

A vulnerability has been found in Cisco Small Business SPA50x, Small Business SPA51x and Smass Business SPA52x 7.6.2SR1 and classified as critical. Affected by this vulnerability is an unknown part of the component Session Initiation Protocol. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is 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. As an impact it is known to affect availability. The summary by CVE is:

A vulnerability in the implementation of Session Initiation Protocol (SIP) functionality in Cisco Small Business SPA50x, SPA51x, and SPA52x 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 using formatted specifiers in a SIP payload that is sent 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 SPA50x, SPA51x, and SPA52x Series IP Phones that are running firmware release 7.6.2SR1 or earlier. Cisco Bug IDs: CSCvc63986.

The bug was discovered 10/18/2017. The weakness was published 10/19/2017 (Website). The advisory is shared at securitytracker.com. This vulnerability is known as CVE-2017-12260 since 08/03/2017. The attack can be launched remotely. The exploitation doesn't need any form of authentication. Neither technical details nor an exploit are publicly available. The price for an exploit might be around USD $5k-$25k at the moment (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 101495†). Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.5
VulDB Meta Temp Score: 7.5

VulDB Base Score: 7.5
VulDB Temp Score: 7.5
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⛔
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-12260 (🔍)
GCVE (CVE): GCVE-0-2017-12260
GCVE (VulDB): GCVE-100-108265
SecurityFocus: 101495 - Cisco Small Business SPA50x, SPA51x, and SPA52x Series IP Phones Denial of Service Vulnerability
SecurityTracker: 1039616

Entryinfo

Created: 10/20/2017 08:59
Updated: 01/19/2021 10:05
Changes: 10/20/2017 08:59 (59), 11/26/2019 19:26 (3), 01/19/2021 10:05 (3)
Complete: 🔍
Cache ID: 216::103

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

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