Medium severity · published Feb 24, 2017
CVE-2016-4493
The demangle_template_value_parm and do_hpacc_template_literal functions in cplus-dem.c in libiberty allow remote attackers to cause a denial of service (out-of-bounds read and…
5.5
CVSS
1.7%
EPSS
No
On KEV
Description
The demangle_template_value_parm and do_hpacc_template_literal functions in cplus-dem.c in libiberty allow remote attackers to cause a denial of service (out-of-bounds read and crash) via a crafted binary.
CVSS vector
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack vector
Local
Complexity
Low
Privileges
None
User interaction
Required
Confidentiality
None
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)1.7% · higher than 77% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
LI
Libiberty · Gnu
All versions, or not specified · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2016-4493
CVE.org
https://www.cve.org/CVERecord?id=CVE-2016-4493
Mailing List
http://www.openwall.com/lists/oss-security/2016/05/05/5
www.securityfocus.com
http://www.securityfocus.com/bid/90014
Issue Tracking
https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70926
Patch
https://gcc.gnu.org/ml/gcc-patches/2016-05/msg00223.html
More from Libiberty
7.8
CVE-2016-2226
Integer overflow in the string_appends function in cplus-dem.c in libiberty allows remote attackers to execute arbitrary code via a crafted executable, which triggers a buffer…
7.5
CVE-2016-6131
The demangler in GNU Libiberty allows remote attackers to cause a denial of service (infinite loop, stack overflow, and crash) via a cycle in the references of remembered mangled…
5.5
CVE-2016-4491
The d_print_comp function in cp-demangle.c in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary, which triggers…
5.5
CVE-2016-4490
Integer overflow in cp-demangle.c in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary, related to inconsistent…
5.5
CVE-2016-4489
Integer overflow in the gnu_special function in libiberty allows remote attackers to cause a denial of service (segmentation fault and crash) via a crafted binary, related to the…
