Forgejo up to 1.20.5 RSS information exposure

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.
4.1	$0-$5k	0.00

A vulnerability has been found in Forgejo up to 1.20.5 and classified as problematic. Affected by this vulnerability is an unknown code block of the component RSS Handler. The manipulation with an unknown input leads to a information exposure vulnerability. The CWE definition for the vulnerability is CWE-203. The product behaves differently or sends different responses under different circumstances in a way that is observable to an unauthorized actor, which exposes security-relevant information about the state of the product, such as whether a particular operation was successful or not. As an impact it is known to affect confidentiality. The summary by CVE is:

Forgejo before 1.20.5-1 allows remote attackers to test for the existence of private user accounts by appending .rss (or another extension) to a URL.

The weakness was published 12/04/2023 as d7408d8b0b04afd2a3c8e23cc908e7bd3849f34d. The advisory is shared at codeberg.org. This vulnerability is known as CVE-2023-49948 since 12/03/2023. Neither technical details nor an exploit are publicly available. MITRE ATT&CK project uses the attack technique T1592 for this issue.

Upgrading to version 1.20.5-1 eliminates this vulnerability. The upgrade is hosted for download at codeberg.org. Applying the patch d7408d8b0b04afd2a3c8e23cc908e7bd3849f34d is able to eliminate this problem. The bugfix is ready for download at codeberg.org. The best possible mitigation is suggested to be upgrading to the latest version.

Productinfo

Name

Forgejo

Version

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.2
VulDB Meta Temp Score: 4.1

VulDB Base Score: 3.1
VulDB Temp Score: 3.0
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.3
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: Information exposure
CWE: CWE-203 / CWE-200 / CWE-284
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: Forgejo 1.20.5-1
Patch: d7408d8b0b04afd2a3c8e23cc908e7bd3849f34d

Timelineinfo

12/03/2023 🔍
12/04/2023 +1 days 🔍
12/04/2023 +0 days 🔍
12/22/2023 +18 days 🔍

Sourcesinfo

Advisory: d7408d8b0b04afd2a3c8e23cc908e7bd3849f34d
Status: Confirmed

CVE: CVE-2023-49948 (🔍)

Entryinfo

Created: 12/04/2023 07:37 AM
Updated: 12/22/2023 12:43 PM
Changes: 12/04/2023 07:37 AM (43), 12/22/2023 12:43 PM (11)
Complete: 🔍
Cache ID: 18:B40:40