aria2: Multiple vulnerabilities

1. Gentoo Linux Security Advisory

Advisory Reference	GLSA 201001-06 / aria2
Release Date	January 13, 2010
Latest Revision	January 13, 2010: 01
Impact	normal
Exploitable	remote

Package	Vulnerable versions	Unaffected versions	Architecture(s)
net-misc/aria2	< 1.6.3	>= 1.6.3	All supported architectures

Related bugreports: #288291

Synopsis

A buffer overflow and a format string vulnerability in aria2 allow remote attackers to execute arbitrary code.

2. Impact Information

Background

aria2 is a download utility with resuming and segmented downloading with HTTP/HTTPS/FTP/BitTorrent support.

Description

Tatsuhiro Tsujikawa reported a buffer overflow in DHTRoutingTableDeserializer.cc (CVE-2009-3575) and a format string vulnerability in the AbstractCommand::onAbort() function in src/AbstractCommand.cc (CVE-2009-3617).

Impact

A remote, unauthenticated attacker could possibly execute arbitrary code with the privileges of the user running the application or cause a Denial of Service (application crash).

3. Resolution Information

Workaround

Do not use DHT (CVE-2009-3575) and disable logging (CVE-2009-3617).

Resolution

All aria2 users should upgrade to the latest version:

Code Listing 3.1: Resolution

# emerge --sync
# emerge --ask --oneshot --verbose ">=net-misc/aria2-1.6.3"

4. References

Page updated January 13, 2010

Summary: This is a Gentoo Linux Security Advisory

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