An integer overflow in libsndfile while processing certain PAF files has been fixed. CVE-2011-2696 has been assigned to this issue.
Additionally an divide by zero (CVE-2009-4835) has been fixed.

Secunia reports :

Hossein Lotfi has discovered a vulnerability in libsndfile, which can be exploited by malicious people to potentially compromise an application using the library. The vulnerability is caused due to an integer overflow error in the 'paf24_init()' function (src/paf.c) when processing Paris Audio (PAF) files. This can be exploited to cause a heap-based buffer overflow via a specially crafted file. Successful exploitation may allow execution of arbitrary code. The vulnerability is confirmed in version 1.0.24. Other versions may also be affected.

The libsndfile packages provide a library for reading and writing sound files.

An integer overflow flaw, leading to a heap-based buffer overflow, was found in the way the libsndfile library processed certain Ensoniq PARIS Audio Format (PAF) audio files. An attacker could create a specially crafted PAF file that, when opened, could cause an application using libsndfile to crash or, potentially, execute arbitrary code with the privileges of the user running the application. (CVE-2011-2696)

Users of libsndfile are advised to upgrade to these updated packages, which contain a backported patch to correct this issue. All running applications using libsndfile must be restarted for the update to take effect.

- fixes integer overflow by processing certain PAF audio     files

Note that Tenable Network Security has extracted the preceding description block directly from the Fedora security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

A vulnerability was discovered and corrected in libsndfile :

An integer overflow flaw, leading to a heap-based buffer overflow, was found in the way the libsndfile library processed certain Ensoniq PARIS Audio Format (PAF) audio files. An attacker could create a specially crafted PAF file that, when opened, could cause an application using libsndfile to crash or, potentially, execute arbitrary code with the privileges of the user running the application (CVE-2011-2696).

Packages for 2009.0 are provided as of the Extended Maintenance Program. Please visit this link to learn more:
http://store.mandriva.com/product_info.php?cPath=149 products_id=490

The updated packages have been patched to correct this issue.

An integer overflow in libsndfile while processing certain PAF files has been fixed. CVE-2011-2696 has been assigned to this issue.

Hossein Lotfi discovered that libsndfile did not properly verify the header length and number of channels for PARIS Audio Format (PAF) audio files. An attacker could exploit this to cause a denial of service via application crash, or possibly execute arbitrary code with the privileges of the user invoking the program.

Note that Tenable Network Security has extracted the preceding description block directly from the Ubuntu security advisory. Tenable has attempted to automatically clean and format it as much as possible without introducing additional issues.

Hossein Lotfi discovered an integer overflow in libsndfile's code to parse Paris Audio files, which could potentially lead to the execution of arbitrary code.

An integer overflow in libsndfile while processing certain PAF files has been fixed. CVE-2011-2696 has been assigned to this issue.
Additionally a divide by zero error (CVE-2009-4835) has been fixed.

ID	名称	产品	系列	发布时间	最近更新时间	严重程度
75613	openSUSE Security Update : libsndfile (openSUSE-SU-2011:0854-1)	Nessus	SuSE Local Security Checks	2014/6/13	2021/1/14	medium
56169	FreeBSD : libsndfile -- PAF file processing integer overflow (b9f3ffa3-dd6c-11e0-b7fc-000a5e1e33c6)	Nessus	FreeBSD Local Security Checks	2011/9/13	2021/1/6	medium
61087	Scientific Linux Security Update : libsndfile on SL6.x i386/x86_64	Nessus	Scientific Linux Local Security Checks	2012/8/1	2021/1/14	medium
55661	Fedora 15 : libsndfile-1.0.25-1.fc15 (2011-9325)	Nessus	Fedora Local Security Checks	2011/7/25	2021/1/11	medium
55683	Mandriva Linux Security Advisory : libsndfile (MDVSA-2011:119)	Nessus	Mandriva Local Security Checks	2011/7/26	2021/1/6	medium
75920	openSUSE Security Update : libsndfile (openSUSE-SU-2011:0855-1)	Nessus	SuSE Local Security Checks	2014/6/13	2021/1/14	medium
55689	Ubuntu 10.04 LTS / 10.10 / 11.04 : libsndfile vulnerability (USN-1174-1)	Nessus	Ubuntu Local Security Checks	2011/7/26	2019/9/19	medium
55722	Debian DSA-2288-1 : libsndfile - integer overflow	Nessus	Debian Local Security Checks	2011/7/29	2021/1/11	medium
56108	Fedora 14 : libsndfile-1.0.25-1.fc14 (2011-9319)	Nessus	Fedora Local Security Checks	2011/9/7	2021/1/11	medium
57220	SuSE 10 Security Update : libsndfile (ZYPP Patch Number 7639)	Nessus	SuSE Local Security Checks	2011/12/13	2021/1/19	medium

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