Vulnerability Details : CVE-2016-4973
Binaries compiled against targets that use the libssp library in GCC for stack smashing protection (SSP) might allow local users to perform buffer overflow attacks by leveraging lack of the Object Size Checking feature.
Vulnerability category: Overflow
Products affected by CVE-2016-4973
- cpe:2.3:a:gnu:libssp:-:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-4973
0.06%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 17 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-4973
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.6
|
MEDIUM | AV:L/AC:L/Au:N/C:P/I:P/A:P |
3.9
|
6.4
|
NIST | |
|
7.8
|
HIGH | CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H |
1.8
|
5.9
|
NIST |
CWE ids for CVE-2016-4973
-
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-2016-4973
-
http://www.openwall.com/lists/oss-security/2016/08/17/6
oss-security - CVE-2016-4973 gcc: Targets using libssp for SSP are missing -D_FORTIFY_SOURCE functionalityMailing List;Third Party Advisory
-
http://www.securityfocus.com/bid/92530
GNU GCC CVE-2016-4973 Local Security Bypass VulnerabilityThird Party Advisory;VDB Entry
-
https://bugzilla.redhat.com/show_bug.cgi?id=1324759
1324759 – (CVE-2016-4973) CVE-2016-4973 gcc: Targets using libssp for SSP are missing -D_FORTIFY_SOURCE functionalityIssue Tracking;Third Party Advisory
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