DSA-2123-1 nss -- several vulnerabilities

Related Vulnerabilities: CVE-2010-3170   CVE-2010-3173  

Several vulnerabilities have been discovered in Mozilla's Network Security Services (NSS) library. The Common Vulnerabilities and Exposures project identifies the following problems: CVE-2010-3170 NSS recognizes a wildcard IP address in the subject's Common Name field of an X.509 certificate, which might allow man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority. CVE-2010-3173 NSS does not properly set the minimum key length for Diffie-Hellman Ephemeral (DHE) mode, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via a brute-force attack. For the stable distribution (lenny), these problems have been fixed in version 3.12.3.1-0lenny2. For the unstable distribution (sid) and the upcoming stable distribution (squeeze), these problems have been fixed in version 3.12.8-1. We recommend that you upgrade your NSS packages.

Debian Security Advisory

DSA-2123-1 nss -- several vulnerabilities

Date Reported:
01 Nov 2010
Affected Packages:
nss
Vulnerable:
Yes
Security database references:
In Mitre's CVE dictionary: CVE-2010-3170, CVE-2010-3173.
More information:

Several vulnerabilities have been discovered in Mozilla's Network Security Services (NSS) library. The Common Vulnerabilities and Exposures project identifies the following problems:

  • CVE-2010-3170

    NSS recognizes a wildcard IP address in the subject's Common Name field of an X.509 certificate, which might allow man-in-the-middle attackers to spoof arbitrary SSL servers via a crafted certificate issued by a legitimate Certification Authority.

  • CVE-2010-3173

    NSS does not properly set the minimum key length for Diffie-Hellman Ephemeral (DHE) mode, which makes it easier for remote attackers to defeat cryptographic protection mechanisms via a brute-force attack.

For the stable distribution (lenny), these problems have been fixed in version 3.12.3.1-0lenny2.

For the unstable distribution (sid) and the upcoming stable distribution (squeeze), these problems have been fixed in version 3.12.8-1.

We recommend that you upgrade your NSS packages.

Fixed in:

Debian GNU/Linux 5.0 (lenny)

Source:
http://security.debian.org/pool/updates/main/n/nss/nss_3.12.3.1-0lenny2.dsc
http://security.debian.org/pool/updates/main/n/nss/nss_3.12.3.1-0lenny2.diff.gz
http://security.debian.org/pool/updates/main/n/nss/nss_3.12.3.1.orig.tar.gz
Alpha:
http://security.debian.org/pool/updates/main/n/nss/libnss3-dev_3.12.3.1-0lenny2_alpha.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d-dbg_3.12.3.1-0lenny2_alpha.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-tools_3.12.3.1-0lenny2_alpha.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d_3.12.3.1-0lenny2_alpha.deb
AMD64:
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d-dbg_3.12.3.1-0lenny2_amd64.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-tools_3.12.3.1-0lenny2_amd64.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d_3.12.3.1-0lenny2_amd64.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-dev_3.12.3.1-0lenny2_amd64.deb
ARM:
http://security.debian.org/pool/updates/main/n/nss/libnss3-dev_3.12.3.1-0lenny2_arm.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-tools_3.12.3.1-0lenny2_arm.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d_3.12.3.1-0lenny2_arm.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d-dbg_3.12.3.1-0lenny2_arm.deb
ARM EABI:
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d-dbg_3.12.3.1-0lenny2_armel.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d_3.12.3.1-0lenny2_armel.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-tools_3.12.3.1-0lenny2_armel.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-dev_3.12.3.1-0lenny2_armel.deb
HP Precision:
http://security.debian.org/pool/updates/main/n/nss/libnss3-dev_3.12.3.1-0lenny2_hppa.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-tools_3.12.3.1-0lenny2_hppa.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d-dbg_3.12.3.1-0lenny2_hppa.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d_3.12.3.1-0lenny2_hppa.deb
Intel IA-32:
http://security.debian.org/pool/updates/main/n/nss/libnss3-tools_3.12.3.1-0lenny2_i386.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-dev_3.12.3.1-0lenny2_i386.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d-dbg_3.12.3.1-0lenny2_i386.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d_3.12.3.1-0lenny2_i386.deb
Intel IA-64:
http://security.debian.org/pool/updates/main/n/nss/libnss3-dev_3.12.3.1-0lenny2_ia64.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-tools_3.12.3.1-0lenny2_ia64.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d_3.12.3.1-0lenny2_ia64.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d-dbg_3.12.3.1-0lenny2_ia64.deb
Big-endian MIPS:
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d_3.12.3.1-0lenny2_mips.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d-dbg_3.12.3.1-0lenny2_mips.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-dev_3.12.3.1-0lenny2_mips.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-tools_3.12.3.1-0lenny2_mips.deb
Little-endian MIPS:
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d_3.12.3.1-0lenny2_mipsel.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-tools_3.12.3.1-0lenny2_mipsel.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-dev_3.12.3.1-0lenny2_mipsel.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d-dbg_3.12.3.1-0lenny2_mipsel.deb
PowerPC:
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d-dbg_3.12.3.1-0lenny2_powerpc.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-tools_3.12.3.1-0lenny2_powerpc.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d_3.12.3.1-0lenny2_powerpc.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-dev_3.12.3.1-0lenny2_powerpc.deb
IBM S/390:
http://security.debian.org/pool/updates/main/n/nss/libnss3-dev_3.12.3.1-0lenny2_s390.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-tools_3.12.3.1-0lenny2_s390.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d-dbg_3.12.3.1-0lenny2_s390.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d_3.12.3.1-0lenny2_s390.deb
Sun Sparc:
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d-dbg_3.12.3.1-0lenny2_sparc.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-dev_3.12.3.1-0lenny2_sparc.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-1d_3.12.3.1-0lenny2_sparc.deb
http://security.debian.org/pool/updates/main/n/nss/libnss3-tools_3.12.3.1-0lenny2_sparc.deb

MD5 checksums of the listed files are available in the original advisory.