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[ GLSA 201203-02 ] cURL: Multiple vulnerabilities
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PostPosted: Tue Mar 06, 2012 2:26 am    Post subject: [ GLSA 201203-02 ] cURL: Multiple vulnerabilities Reply with quote

Gentoo Linux Security Advisory

Title: cURL: Multiple vulnerabilities (GLSA 201203-02)
Severity: normal
Exploitable: remote
Date: March 06, 2012
Bug(s): #308645, #373235, #400799
ID: 201203-02

Synopsis

Multiple vulnerabilities have been found in cURL, the worst of
which might allow remote execution of arbitrary code.


Background

cURL is a command line tool for transferring files with URL syntax,
supporting numerous protocols.


Affected Packages

Package: net-misc/curl
Vulnerable: < 7.24.0
Unaffected: >= 7.24.0
Architectures: All supported architectures


Description

Multiple vulnerabilities have been found in cURL:
  • When zlib is enabled, the amount of data sent to an application for
    automatic decompression is not restricted (CVE-2010-0734).
  • When performing GSSAPI authentication, credential delegation is
    always used (CVE-2011-2192).
  • When SSL is enabled, cURL improperly disables the OpenSSL workaround
    to mitigate an information disclosure vulnerability in the SSL and TLS
    protocols (CVE-2011-3389).
  • libcurl does not properly verify file paths for escape control
    characters in IMAP, POP3 or SMTP URLs (CVE-2012-0036).


Impact

A remote attacker could entice a user or automated process to open a
specially crafted file or URL using cURL, possibly resulting in the
remote execution of arbitrary code, a Denial of Service condition,
disclosure of sensitive information, or unwanted actions performed via
the IMAP, POP3 or SMTP protocols. Furthermore, remote servers may be able
to impersonate clients via GSSAPI requests.


Workaround

There is no known workaround at this time.

Resolution

All cURL users should upgrade to the latest version:
Code:
# emerge --sync
      # emerge --ask --oneshot --verbose ">=net-misc/curl-7.24.0"
   


References

CVE-2010-0734

CVE-2011-2192

CVE-2011-3389

CVE-2012-0036
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