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Debian Security Advisory 2798-2

Debian Security Advisory 2798-2
Posted Nov 21, 2013
Authored by Debian | Site debian.org

Debian Linux Security Advisory 2798-2 - The update for curl in DSA-2798-1 uncovered a regression affecting the curl command line tool behaviour (#729965). This update disables host verification too when using the --insecure option.

tags | advisory
systems | linux, debian
advisories | CVE-2013-4545
MD5 | 8dc7b1d90af934dfecc6bcc69c4bb49c

Debian Security Advisory 2798-2

Change Mirror Download
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- -------------------------------------------------------------------------
Debian Security Advisory DSA-2798-2 security@debian.org
http://www.debian.org/security/ Salvatore Bonaccorso
November 20, 2013 http://www.debian.org/security/faq
- -------------------------------------------------------------------------

Package : curl
Vulnerability : unchecked ssl certificate host name
Problem type : remote
Debian-specific: no
CVE ID : CVE-2013-4545

The update for curl in DSA-2798-1 uncovered a regression affecting the
curl command line tool behaviour (#729965). This update disables host
verification too when using the --insecure option.

For the oldstable distribution (squeeze), this problem has been fixed in
version 7.21.0-2.1+squeeze6.

For the stable distribution (wheezy), this problem has been fixed in
version 7.26.0-1+wheezy6.

For the testing (jessie) and unstable (sid) distributions, the curl
command line tool behaves as expected with the --insecure option.

For reference the original advisory text follows.

Scott Cantor discovered that curl, a file retrieval tool, would disable
the CURLOPT_SSLVERIFYHOST check when the CURLOPT_SSL_VERIFYPEER setting
was disabled. This would also disable ssl certificate host name checks
when it should have only disabled verification of the certificate trust
chain.

The default configuration for the curl package is not affected by this
issue since CURLOPT_SSLVERIFYPEER is enabled by default.

For the oldstable distribution (squeeze), this problem has been fixed in
version 7.21.0-2.1+squeeze5.

For the stable distribution (wheezy), this problem has been fixed in
version 7.26.0-1+wheezy5.

For the testing (jessie) and unstable (sid) distributions, this problem
has been fixed in version 7.33.0-1.

We recommend that you upgrade your curl packages.

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: http://www.debian.org/security/

Mailing list: debian-security-announce@lists.debian.org
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