Apple cups up to 1.1.3 Cache cupsFileOpen link following

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.
3.8$0-$5k0.00

Summaryinfo

A vulnerability described as problematic has been identified in Apple cups up to 1.1.3. This issue affects the function cupsFileOpen of the component Cache. The manipulation results in link following. This vulnerability is reported as CVE-2010-2431. No exploit exists. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in Apple cups up to 1.1.3 (Printing Software). It has been classified as problematic. Affected is the function cupsFileOpen of the component Cache. The manipulation with an unknown input leads to a link following vulnerability. CWE is classifying the issue as CWE-59. The product attempts to access a file based on the filename, but it does not properly prevent that filename from identifying a link or shortcut that resolves to an unintended resource. This is going to have an impact on integrity, and availability. CVE summarizes:

The cupsFileOpen function in CUPS before 1.4.4 allows local users, with lp group membership, to overwrite arbitrary files via a symlink attack on the (1) /var/cache/cups/remote.cache or (2) /var/cache/cups/job.cache file.

The weakness was disclosed 06/22/2010 (Website). The advisory is shared for download at cups.org. This vulnerability is traded as CVE-2010-2431. The exploitability is told to be difficult. The attack needs to be approached locally. The exploitation doesn't require any form of authentication. There are known technical details, but no exploit is available.

The vulnerability scanner Nessus provides a plugin with the ID 68130 (Oracle Linux 5 : cups (ELSA-2010-0811)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Oracle Linux Local Security Checks. The commercial vulnerability scanner Qualys is able to test this issue with plugin 155599 (Oracle Enterprise Linux Update for CUPS (ELSA-2010-0811)).

Upgrading to version 1.1.4 eliminates this vulnerability.

The vulnerability is also documented in the databases at Tenable (68130), SecurityFocus (BID 41131†) and Vulnerability Center (SBV-26521†). The entries VDB-53773 and VDB-55329 are pretty similar. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.0
VulDB Meta Temp Score: 3.8

VulDB Base Score: 4.0
VulDB Temp Score: 3.8
VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
💳💳💳💳💳💳
💳💳💳💳💳💳
💳💳💳💳💳💳
VectorComplexityAuthenticationConfidentialityIntegrityAvailability
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock
UnlockUnlockUnlockUnlockUnlockUnlock

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

NVD Base Score: 🔍

Exploitinginfo

Class: Link following
CWE: CWE-59
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: No

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

0-DayUnlockUnlockUnlockUnlock
TodayUnlockUnlockUnlockUnlock

Nessus ID: 68130
Nessus Name: Oracle Linux 5 : cups (ELSA-2010-0811)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Port: 🔍

OpenVAS ID: 69111
OpenVAS Name: Debian Security Advisory DSA 2176-1 (cups)
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔍

Upgrade: cups 1.1.4

Timelineinfo

06/17/2010 🔍
06/17/2010 +0 days 🔍
06/22/2010 +4 days 🔍
06/22/2010 +0 days 🔍
06/22/2010 +0 days 🔍
07/25/2010 +33 days 🔍
07/12/2013 +1083 days 🔍
03/19/2015 +615 days 🔍
09/18/2021 +2375 days 🔍

Sourcesinfo

Vendor: apple.com

Advisory: RHSA-2010:0811
Status: Not defined
Confirmation: 🔍

CVE: CVE-2010-2431 (🔍)
GCVE (CVE): GCVE-0-2010-2431
GCVE (VulDB): GCVE-100-53772

OVAL: 🔍

SecurityFocus: 41131 - CUPS 'cupsFileOpen' function Symlink Attack Local Privilege Escalation Vulnerability
Secunia: 43521
Vulnerability Center: 26521 - CUPS Prior to 1.4.4 Allows Local Privilege Escalation Vulnerability via a Symlink Attack, High

See also: 🔍

Entryinfo

Created: 03/19/2015 12:22
Updated: 09/18/2021 14:22
Changes: 03/19/2015 12:22 (64), 03/01/2017 10:05 (9), 09/18/2021 14:13 (6), 09/18/2021 14:18 (1), 09/18/2021 14:22 (2)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

Discussion

No comments yet. Languages: en.

Please log in to comment.

◂ PreviousOverviewNext ▸

Want to stay up to date on a daily basis?

Enable the mail alert feature now!