Vulnerability CVE-2015-8983
Published: 2017-03-20

Description:
Integer overflow in the _IO_wstr_overflow function in libio/wstrops.c in the GNU C Library (aka glibc or libc6) before 2.22 allows context-dependent attackers to cause a denial of service (application crash) or possibly execute arbitrary code via vectors related to computing a size in bytes, which triggers a heap-based buffer overflow.

CVSS2 => (AV:N/AC:M/Au:N/C:P/I:P/A:P)

CVSS Base Score
Impact Subscore
Exploitability Subscore
6.8/10
6.4/10
8.6/10
Exploit range
Attack complexity
Authentication
Remote
Medium
No required
Confidentiality impact
Integrity impact
Availability impact
Partial
Partial
Partial
Affected software
GNU -> Glibc 

 References:
http://www.openwall.com/lists/oss-security/2017/02/14/9
http://www.securityfocus.com/bid/72740
https://sourceware.org/bugzilla/show_bug.cgi?id=17269
https://sourceware.org/git/gitweb.cgi?p=glibc.git;h=bdf1ff052a8e23d637f2c838fa5642d78fcedc33
https://www.sourceware.org/ml/libc-alpha/2015-08/msg00609.html
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