64592 : aria2 metalink name Attribute Traversal Arbitrary File Creation
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Timeline

Disclosure Date
2010-05-13
Time to Patch Time to Vendor Response Days of Exposure
13 days 1 days 7 days

Description

aria2 contains a flaw that allows a remote attacker to traverse outside of a restricted path. The issue is due to the program not properly sanitizing user input, specifically directory traversal style attacks (e.g., ../../) supplied via the name attribute of the metalink file. This directory traversal attack would allow the attacker to create or replace files on the file system with arbitrary content.

Classification

Location: Local / Remote, Context Dependent
Attack Type: Input Manipulation
Impact: Loss of Integrity
Solution: Upgrade
Exploit: Exploit Public
Disclosure: Vendor Verified, Vendor Verified, Coordinated Disclosure

Solution

Upgrade to version 1.9.3 or higher, as it has been reported to fix this vulnerability. An upgrade is required as there are no known workarounds.

Products

Tatsuhiro Tsujikawa
aria2
1.4.2
1.4.3

References

Credit

CVSSv2 Score

CVSSv2 Base Score = 4.3
Source: nvd.nist.gov | Generated: 2010-05-18 | Disagree?

Access_vector_2 Access_complexity_1 Authentication_2 Confidentiality_impact_0 Integrity_impact_1 Availability_impact_0

Comments

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