iTerm2 up to 3.4.19 tmux escape output

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.
7.9	$0-$5k	0.00

A vulnerability, which was classified as critical, was found in iTerm2 up to 3.4.19. This affects an unknown code block of the component tmux. The manipulation with an unknown input leads to a escape output vulnerability. CWE is classifying the issue as CWE-116. The product prepares a structured message for communication with another component, but encoding or escaping of the data is either missing or done incorrectly. As a result, the intended structure of the message is not preserved. This is going to have an impact on confidentiality, integrity, and availability. The summary by CVE is:

iTerm2 before 3.4.20 allow (potentially remote) code execution because of mishandling of certain escape sequences related to tmux integration.

The weakness was shared 10/22/2023 as ae8192522661c34d1cbe57f6f9ef2ff0a337c2a5. The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2023-46300 since 10/22/2023. Neither technical details nor an exploit are publicly available.

Upgrading to version 3.4.20 eliminates this vulnerability. Applying the patch ae8192522661c34d1cbe57f6f9ef2ff0a337c2a5 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Productinfo

Name

iTerm2

Version

License

open-source

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.0
VulDB Meta Temp Score: 7.9

VulDB Base Score: 6.3
VulDB Temp Score: 6.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
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: 🔍

Exploitinginfo

Class: Escape output
CWE: CWE-116 / CWE-74 / CWE-707
CAPEC: 🔍
ATT&CK: 🔍

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-Day	unlock	unlock	unlock	unlock
Today	unlock	unlock	unlock	unlock

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: iTerm2 3.4.20
Patch: ae8192522661c34d1cbe57f6f9ef2ff0a337c2a5

Timelineinfo

10/22/2023 🔍
10/22/2023 +0 days 🔍
10/22/2023 +0 days 🔍
11/12/2023 +21 days 🔍

Sourcesinfo

Advisory: ae8192522661c34d1cbe57f6f9ef2ff0a337c2a5
Status: Confirmed

CVE: CVE-2023-46300 (🔍)

Entryinfo

Created: 10/22/2023 11:28 AM
Updated: 11/12/2023 02:35 PM
Changes: 10/22/2023 11:28 AM (41), 11/12/2023 02:35 PM (11)
Complete: 🔍
Cache ID: 18:723:40