Vulnerability Details : CVE-2016-4492
Buffer overflow in the do_type function in cplus-dem.c in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary.
Vulnerability category: OverflowMemory CorruptionDenial of service
Products affected by CVE-2016-4492
- cpe:2.3:a:gnu:libiberty:*:*:*:*:*:*:*:*
Exploit prediction scoring system (EPSS) score for CVE-2016-4492
0.16%
Probability of exploitation activity in the next 30 days
EPSS Score History
~ 52 %
Percentile, the proportion of vulnerabilities that are scored at or less
CVSS scores for CVE-2016-4492
| Base Score | Base Severity | CVSS Vector | Exploitability Score | Impact Score | Score Source | First Seen |
|---|---|---|---|---|---|---|
|
4.3
|
MEDIUM | AV:N/AC:M/Au:N/C:N/I:N/A:P |
8.6
|
2.9
|
NIST | |
|
4.4
|
MEDIUM | CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:N/I:N/A:H |
0.8
|
3.6
|
NIST |
CWE ids for CVE-2016-4492
-
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-2016-4492
-
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70926
70926 – Libiberty Demangler segfaults (5)Issue Tracking
-
http://www.openwall.com/lists/oss-security/2016/05/05/5
oss-security - Re: CVE Request: No Demangling During Analysis of Untrusted BinariesMailing List;Patch;Third Party Advisory
-
https://gcc.gnu.org/ml/gcc-patches/2016-05/msg00223.html
Marcel BÃhme - Fix for PR70926 in Libiberty Demangler (5)Patch;Vendor Advisory
-
http://www.securityfocus.com/bid/90014
GNU GCC 'lilibiberty/cplus-dem.c' Multiple Denial of Service Vulnerabilities
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