Charles Proxy up to 4.2.0 Settings suid Binary race condition

HistoryDiffrelatejsonxmlCTI

CVSS Meta Temp Score CVSS is a standardized scoring system to determine possibilities of attacks. The Temp Score considers temporal factors like disclosure, exploit and countermeasures. The unique Meta Score calculates the average score of different sources to provide a normalized scoring system.	Current Exploit Price (≈) Our analysts are monitoring exploit markets and are in contact with vulnerability brokers. The range indicates the observed or calculated exploit price to be seen on exploit markets. A good indicator to understand the monetary effort required for and the popularity of an attack.	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.
6.6	$0-$5k	0.00

Summaryinfo

A vulnerability classified as problematic was found in Charles Proxy up to 4.2.0. This affects an unknown function of the component Settings suid Binary. Such manipulation leads to race condition. This vulnerability is referenced as CVE-2017-15358. The attack can only be performed from a local environment. Furthermore, an exploit is available. Upgrading the affected component is advised.

Detailsinfo

A vulnerability was found in Charles Proxy up to 4.2.0 (Firewall Software). It has been rated as critical. Affected by this issue is an unknown function of the component Settings suid Binary. The manipulation with an unknown input leads to a race condition vulnerability. Using CWE to declare the problem leads to CWE-362. The product contains a code sequence that can run concurrently with other code, and the code sequence requires temporary, exclusive access to a shared resource, but a timing window exists in which the shared resource can be modified by another code sequence that is operating concurrently. Impacted is confidentiality, integrity, and availability. CVE summarizes:

Race condition in the Charles Proxy Settings suid binary in Charles Proxy before 4.2.1 allows local users to gain privileges via vectors involving the --self-repair option.

The bug was discovered 07/30/2018. The weakness was published 08/03/2018 (Website). The advisory is available at m4.rkw.io. This vulnerability is handled as CVE-2017-15358 since 10/15/2017. Local access is required to approach this attack. No form of authentication is required for exploitation. Technical details are unknown but a public exploit is available.

The exploit is available at exploit-db.com. It is declared as proof-of-concept. The vulnerability was handled as a non-public zero-day exploit for at least 4 days. During that time the estimated underground price was around $0-$5k.

Upgrading to version 4.2.1 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (45107). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

Type

Firewall Software

Name

Charles Proxy

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.0
VulDB Meta Temp Score: 6.6

VulDB Base Score: 7.0
VulDB Temp Score: 6.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 7.0
NVD Vector: 🔍

CVSSv2info

AV	AC	Au	C	I	A
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳
💳	💳	💳	💳	💳	💳

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: 🔍

Exploitinginfo

Class: Race condition
CWE: CWE-362
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Access: Public
Status: Proof-of-Concept
Download: 🔍

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	Unlock	Unlock	Unlock	Unlock
Today	Unlock	Unlock	Unlock	Unlock

Exploit-DB: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: Charles Proxy 4.2.1

Timelineinfo

10/15/2017 🔍
07/30/2018 +288 days 🔍
08/03/2018 +3 days 🔍
08/03/2018 +0 days 🔍
08/04/2018 +1 days 🔍
06/22/2024 +2149 days 🔍

Sourcesinfo

Advisory: m4.rkw.io
Status: Not defined

CVE: CVE-2017-15358 (🔍)
GCVE (CVE): GCVE-0-2017-15358
GCVE (VulDB): GCVE-100-122570
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 08/04/2018 08:10
Updated: 06/22/2024 10:58
Changes: 08/04/2018 08:10 (59), 03/13/2020 08:25 (4), 06/22/2024 10:58 (17)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.