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Gentoo Linux Security Advisory GLSA 200703-22 |
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http://security.gentoo.org/ |
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|
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Severity: Normal |
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Title: Mozilla Network Security Service: Remote execution of |
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arbitrary code |
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Date: March 20, 2007 |
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Bugs: #165555 |
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ID: 200703-22 |
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|
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|
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Synopsis |
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======== |
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|
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The Mozilla Network Security Services libraries are vulnerable to two |
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buffer overflows that could result in the remote execution of arbitrary |
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code. |
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|
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Background |
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========== |
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|
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The Mozilla Network Security Service is a library implementing security |
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features like SSL v2/v3, TLS, PKCS #5, PKCS #7, PKCS #11, PKCS #12, |
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S/MIME and X.509 certificates. |
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|
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Affected packages |
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================= |
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|
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------------------------------------------------------------------- |
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Package / Vulnerable / Unaffected |
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------------------------------------------------------------------- |
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1 dev-libs/nss < 3.11.5 >= 3.11.5 |
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|
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Description |
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=========== |
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|
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iDefense has reported two potential buffer overflow vulnerabilities |
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found by researcher "regenrecht" in the code implementing the SSLv2 |
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protocol. |
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|
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Impact |
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====== |
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|
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A remote attacker could send a specially crafted SSL master key to a |
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server using NSS for the SSLv2 protocol, or entice a user to connect to |
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a malicious server with a client-side application using NSS like one of |
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the Mozilla products. This could trigger the vulnerabilities and result |
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in the possible execution of arbitrary code with the rights of the |
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vulnerable application. |
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|
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Workaround |
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========== |
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|
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Disable the SSLv2 protocol in the applications using NSS. |
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|
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Resolution |
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========== |
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|
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All NSS users should upgrade to the latest version: |
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|
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# emerge --sync |
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# emerge --ask --oneshot --verbose ">=dev-libs/nss-3.11.5" |
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|
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References |
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========== |
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|
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[ 1 ] CVE-2007-0008 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0008 |
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[ 2 ] CVE-2007-0009 |
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http://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2007-0009 |
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|
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Availability |
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============ |
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|
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This GLSA and any updates to it are available for viewing at |
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the Gentoo Security Website: |
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|
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http://security.gentoo.org/glsa/glsa-200703-22.xml |
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|
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Concerns? |
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========= |
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|
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Security is a primary focus of Gentoo Linux and ensuring the |
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confidentiality and security of our users machines is of utmost |
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importance to us. Any security concerns should be addressed to |
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security@g.o or alternatively, you may file a bug at |
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http://bugs.gentoo.org. |
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|
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License |
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======= |
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|
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Copyright 2007 Gentoo Foundation, Inc; referenced text |
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belongs to its owner(s). |
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|
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The contents of this document are licensed under the |
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Creative Commons - Attribution / Share Alike license. |
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|
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http://creativecommons.org/licenses/by-sa/2.5 |