libiberty Binary cp-demangle.c d_print_comp memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.2$0-$5k0.00

Summaryinfo

A vulnerability was found in libiberty. It has been classified as critical. The impacted element is the function d_print_comp of the file cp-demangle.c of the component Binary Handler. This manipulation causes memory corruption. This vulnerability is handled as CVE-2016-4491. It is possible to launch the attack on the local host. There is not any exploit available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability classified as critical was found in libiberty (unknown version). Affected by this vulnerability is the function d_print_comp of the file cp-demangle.c of the component Binary Handler. The manipulation with an unknown input leads to a memory corruption vulnerability. The CWE definition for the vulnerability is CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. As an impact it is known to affect confidentiality, integrity, and availability. The summary by CVE is:

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 infinite recursion and a buffer overflow, related to a node having "itself as ancestor more than once."

The bug was discovered 05/05/2016. The weakness was released 02/24/2017 (Website). It is possible to read the advisory at gcc.gnu.org. This vulnerability is known as CVE-2016-4491 since 05/05/2016. The attack can be launched remotely. The exploitation doesn't need any form of authentication. It demands that the victim is doing some kind of user interaction. Technical details of the vulnerability are known, but there is no available exploit.

The vulnerability was handled as a non-public zero-day exploit for at least 295 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 100989 (Ubuntu 14.04 LTS / 16.04 LTS / 16.10 / 17.04 : valgrind vulnerabilities (USN-3337-1)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Ubuntu Local Security Checks and running in the context l. The commercial vulnerability scanner Qualys is able to test this issue with plugin 196831 (Ubuntu Security Notification for Valgrind Vulnerabilities (USN-3337-1)).

Upgrading eliminates this vulnerability. A possible mitigation has been published 5 months after the disclosure of the vulnerability.

The vulnerability is also documented in the databases at Tenable (100989) and SecurityFocus (BID 90016†). Entries connected to this vulnerability are available at VDB-96611, VDB-97287, VDB-97288 and VDB-97289. Several companies clearly confirm that VulDB is the primary source for best vulnerability data.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 5.4
VulDB Meta Temp Score: 5.3

VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
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Exploitinginfo

Class: Memory corruption
CWE: CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: Partially
Local: Yes
Remote: Yes

Availability: 🔍
Status: Not defined

EPSS Score: 🔍
EPSS Percentile: 🔍

Price Prediction: 🔍
Current Price Estimation: 🔍

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Nessus ID: 100989
Nessus Name: Ubuntu 14.04 LTS / 16.04 LTS / 16.10 / 17.04 : valgrind vulnerabilities (USN-3337-1)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

OpenVAS ID: 841810
OpenVAS Name: Ubuntu Update for libiberty USN-3368-1
OpenVAS File: 🔍
OpenVAS Family: 🔍

Qualys ID: 🔍
Qualys Name: 🔍

Threat Intelligenceinfo

Interest: 🔍
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Active APT Groups: 🔍

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
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Timelineinfo

05/02/2016 🔍
05/05/2016 +3 days 🔍
05/05/2016 +0 days 🔍
02/24/2017 +295 days 🔍
02/24/2017 +0 days 🔍
02/25/2017 +1 days 🔍
06/21/2017 +116 days 🔍
06/22/2017 +1 days 🔍
08/17/2020 +1152 days 🔍

Sourcesinfo

Advisory: gcc.gnu.org
Status: Not defined
Confirmation: 🔍

CVE: CVE-2016-4491 (🔍)
GCVE (CVE): GCVE-0-2016-4491
GCVE (VulDB): GCVE-100-97291
SecurityFocus: 90016 - GNU GCC CVE-2016-4491 Stack Based Buffer Overflow Vulnerability
OSVDB: - CVE-2016-4491 - libiberty - Integer Overflow Issue

See also: 🔍

Entryinfo

Created: 02/25/2017 09:55
Updated: 08/17/2020 19:01
Changes: 02/25/2017 09:55 (75), 08/17/2020 19:01 (6)
Complete: 🔍
Cache ID: 216:C5D:103

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