Vulnerability Details : CVE-2015-1473

The ADDW macro in stdio-common/vfscanf.c in the GNU C Library (aka glibc or libc6) before 2.21 does not properly consider data-type size during a risk-management decision for use of the alloca function, which might allow context-dependent attackers to cause a denial of service (segmentation violation) or overwrite memory locations beyond the stack boundary via a long line containing wide characters that are improperly handled in a wscanf call.
Published 2015-04-08 10:59:04
Updated 2016-11-28 19:18:14
Source MITRE
View at NVD,   CVE.org
Vulnerability category: OverflowDenial of service

Exploit prediction scoring system (EPSS) score for CVE-2015-1473

EPSS FAQ
0.34%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 67 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2015-1473

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.4
 MEDIUM AV:N/AC:L/Au:N/C:N/I:P/A:P
10.0
4.9
 NIST

CWE ids for CVE-2015-1473

  • The product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2015-1473

Products affected by CVE-2015-1473

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