Ubuntu Upstart up to 1.13.x Privileges /etc/cron.daily/upstart data processing

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.
7.6	$0-$5k	0.00

Summaryinfo

A vulnerability categorized as problematic has been discovered in Ubuntu Upstart up to 1.13.x. Affected by this vulnerability is an unknown functionality of the file /etc/cron.daily/upstart of the component Privileges. Executing a manipulation can lead to data processing. The identification of this vulnerability is CVE-2015-2285. The attack can only be executed locally. Furthermore, there is an exploit available. It is advisable to upgrade the affected component.

Detailsinfo

A vulnerability classified as critical was found in Ubuntu Upstart up to 1.13.x. This vulnerability affects an unknown functionality of the file /etc/cron.daily/upstart of the component Privileges. The manipulation with an unknown input leads to a data processing vulnerability. The CWE definition for the vulnerability is CWE-19. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:

The logrotation script (/etc/cron.daily/upstart) in the Ubuntu Upstart package before 1.13.2-0ubuntu9, as used in Ubuntu Vivid 15.04, allows local users to execute arbitrary commands and gain privileges via a crafted file in /run/user/*/upstart/sessions/.

The weakness was shared 03/12/2015 (Website). The advisory is shared for download at bugs.launchpad.net. This vulnerability was named CVE-2015-2285 since 03/12/2015. The exploitation appears to be easy. The attack needs to be approached locally. No form of authentication is required for a successful exploitation. Technical details and also a public exploit are known.

It is possible to download the exploit at exploit-db.com. It is declared as proof-of-concept. As 0-day the estimated underground price was around $5k-$25k.

Upgrading to version 1.13.2-0ubuntu7 eliminates this vulnerability.

The vulnerability is also documented in the vulnerability database at Exploit-DB (41765). Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Ubuntu

Name

Upstart

Version

License

open-source

Website

Vendor: https://www.ubuntu.com/

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 8.4
VulDB Meta Temp Score: 7.6

VulDB Base Score: 8.4
VulDB Temp Score: 7.6
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AV	AC	Au	C	I	A
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💳	💳	💳	💳	💳	💳
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Vector	Complexity	Authentication	Confidentiality	Integrity	Availability
Unlock	Unlock	Unlock	Unlock	Unlock	Unlock
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Unlock	Unlock	Unlock	Unlock	Unlock	Unlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Data processing
CWE: CWE-19
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: Upstart 1.13.2-0ubuntu7

Timelineinfo

03/12/2015 🔍
03/12/2015 +0 days 🔍
03/12/2015 +0 days 🔍
03/30/2015 +18 days 🔍
11/27/2024 +3530 days 🔍

Sourcesinfo

Vendor: ubuntu.com

Advisory: 130587
Status: Confirmed
Confirmation: 🔍

CVE: CVE-2015-2285 (🔍)
GCVE (CVE): GCVE-0-2015-2285
GCVE (VulDB): GCVE-100-74404
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 03/30/2015 12:35
Updated: 11/27/2024 08:37
Changes: 03/30/2015 12:35 (44), 04/06/2019 08:51 (6), 05/01/2022 11:36 (3), 11/27/2024 08:37 (26)
Complete: 🔍
Cache ID: 216::103