Out-of-bounds read in Libidn - CVE-2016-6262
Published: September 7, 2016 / Updated: July 28, 2020
Vulnerability identifier: #VU32267
CSH Severity: Medium
CVSS v4.0: CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:N/VA:N/SC:N/SI:N/SA:N/E:U/U:Green
CVE-ID: CVE-2016-6262
CWE-ID: CWE-125
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vendor: GNU
Affected software:
Libidn
Libidn
Detailed vulnerability description
The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.
idn in libidn before 1.33 might allow remote attackers to obtain sensitive memory information by reading a zero byte as input, which triggers an out-of-bounds read, a different vulnerability than CVE-2015-8948.
How to mitigate CVE-2016-6262
Install update from vendor's website.
Sources
- http://git.savannah.gnu.org/cgit/libidn.git/commit/?id=5e3cb9c7b5bf0ce665b9d68f5ddf095af5c9ba60
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00005.html
- http://lists.opensuse.org/opensuse-updates/2016-08/msg00098.html
- http://www.openwall.com/lists/oss-security/2016/07/20/6
- http://www.openwall.com/lists/oss-security/2016/07/21/4
- http://www.securityfocus.com/bid/92070
- http://www.ubuntu.com/usn/USN-3068-1
- https://lists.gnu.org/archive/html/help-libidn/2016-07/msg00009.html