This update for libidn fixes the following issues :

  - CVE-2016-6262 and CVE-2015-8948: Out-of-bounds-read when     reading one zero byte as input (bsc#990189)

  - CVE-2016-6261: Out-of-bounds stack read in     idna_to_ascii_4i (bsc#990190)

  - CVE-2016-6263: stringprep_utf8_nfkc_normalize reject     invalid UTF-8 (bsc#990191)

  - CVE-2015-2059: out-of-bounds read with stringprep on     invalid UTF-8 (bsc#923241)

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

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available.

  - The stringprep_utf8_to_ucs4 function in libin before 1.31, as used in jabberd2, allows context-dependent     attackers to read system memory and possibly have other unspecified impact via invalid UTF-8 characters in     a string, which triggers an out-of-bounds read. (CVE-2015-2059)

Note that Nessus relies on the presence of the package as reported by the vendor.

Thijs Alkemade discovered that the Jabber server may pass an invalid UTF-8 string to libidn, the GNU library for Internationalized Domain Names (IDNs). In the case of the Jabber server, this results in information disclosure, and it is likely that some other applications using libidn have similar vulnerabilities. This update changes libidn to check for invalid strings rather than assuming that the application has done so.

For the oldoldstable distribution (squeeze), this problem has been fixed in version 1.15-2+deb6u1.

For the oldstable distribution (wheezy) and stable distribution (jessie), this problem will be fixed soon.

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

This update for libidn fixes the following issues :

  - CVE-2016-6262 and CVE-2015-8948: Out-of-bounds-read when     reading one zero byte as input (bsc#990189)

  - CVE-2016-6261: Out-of-bounds stack read in     idna_to_ascii_4i (bsc#990190) 

  - CVE-2016-6263: stringprep_utf8_nfkc_normalize reject     invalid UTF-8 (bsc#990191)

  - CVE-2015-2059: out-of-bounds read with stringprep on     invalid UTF-8 (bsc#923241) 

This update was imported from the SUSE:SLE-12:Update update project.

Simon Josefsson reports :

stringprep_utf8_to_ucs4 now rejects invalid UTF-8. This function has always been documented to not validate that the input UTF-8 string is actually valid UTF-8...

Security fix for CVE-2015-2059

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.

This update for wget fixes the following issues :

  - Fix for HTTP to a FTP redirection file name confusion     vulnerability (bsc#984060, CVE-2016-4971).

  - Work around a libidn vulnerability (bsc#937096,     CVE-2015-2059).

  - Fix for wget fails with basicauth: Failed writing HTTP     request: Bad file descriptor (bsc#958342)

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

ID	Name	Product	Family	Published	Updated	Severity
93459	SUSE SLES11 Security Update : libidn (SUSE-SU-2016:2291-1)	Nessus	SuSE Local Security Checks	9/13/2016	1/26/2026	high
218980	Linux Distros Unpatched Vulnerability : CVE-2015-2059	Nessus	Misc.	3/4/2025	9/2/2026	critical
84835	Debian DLA-277-1 : libidn security update	Nessus	Debian Local Security Checks	7/20/2015	1/11/2021	high
93092	openSUSE Security Update : libidn (openSUSE-2016-1014)	Nessus	SuSE Local Security Checks	8/24/2016	1/28/2026	high
84970	FreeBSD : libidn -- out-of-bounds read issue with invalid UTF-8 input (4caf01e2-30e6-11e5-a4a5-002590263bf5)	Nessus	FreeBSD Local Security Checks	7/24/2015	1/6/2021	high
85060	Fedora 22 : libidn-1.31-1.fc22 (2015-11562)	Nessus	Fedora Local Security Checks	7/29/2015	1/11/2021	high
93369	SUSE SLED12 / SLES12 Security Update : wget (SUSE-SU-2016:2226-1)	Nessus	SuSE Local Security Checks	9/8/2016	1/27/2026	high

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