SabreDAV remote/local file read

2013-04-11 / 2013-04-12

Credit: Evert Pot

Risk: High

Local: No

Remote: Yes

CVE: CVE-2013-1939

CWE: CWE-20

CVSS Base Score: 5/10

Impact Subscore: 2.9/10

Exploitability Subscore: 10/10

Exploit range: Remote

Attack complexity: Low

Authentication: No required

Confidentiality impact: Partial

Integrity impact: None

Availability impact: None

# Local file exposure issue
Web: 
https://groups.google.com/forum/?fromgroups=#!topic/sabredav-discuss/ehOUu7wTSGQ


## CVE IDENTIFIERS
- CVE-2013-1939

## AFFECTED SOFTWARE
- SabreDAV < 1.6.8, < 1.7.6, < 1.8.4 running in Windows hosts. 

## DESCRIPTION

It was possible for authenticated users on to read any file on the local
filesystem, accessible by the webserver.

Thanks to Lukas Reschke for reporting this issue.

## RESOLUTION
Update to SabreDAV 1.6.9, 1.7.7 or 1.8.5 or turn off the 'Browser plugin'.

Zipballs:
http://code.google.com/p/sabredav/downloads/list

Or with composer:
composer update sabre/dav

Regards,
Evert Pot

References:

http://code.google.com/p/sabredav/downloads/list

https://groups.google.com/forum/?fromgroups=#!topic/sabredav-discuss/ehOUu7wTSGQ

http://seclists.org/oss-sec/2013/q2/80

See this note in RAW Version

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SabreDAV remote/local file read

References:

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