libdwarf prior 20160923 DWARF Section dwarf_get_aranges_list resource management
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 6.1 | $0-$5k | 0.00 |
Summary
A vulnerability was found in libdwarf. It has been declared as problematic. Affected is the function dwarf_get_aranges_list of the component DWARF Section Handler. Executing a manipulation can lead to resource management.
This vulnerability is handled as CVE-2016-5042. The attack can be executed remotely. There is not any exploit available.
It is recommended to upgrade the affected component.
Details
A vulnerability has been found in libdwarf (Programming Tool Software) and classified as problematic. This vulnerability affects the function dwarf_get_aranges_list of the component DWARF Section Handler. The manipulation with an unknown input leads to a resource management vulnerability. The CWE definition for the vulnerability is CWE-399. As an impact it is known to affect availability. CVE summarizes:
The dwarf_get_aranges_list function in libdwarf before 20160923 allows remote attackers to cause a denial of service (infinite loop and crash) via a crafted DWARF section.
The bug was discovered 05/24/2016. The weakness was released 02/17/2017 (oss-sec). The advisory is shared for download at openwall.com. This vulnerability was named CVE-2016-5042 since 05/24/2016. The exploitation appears to be easy. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. There are known technical details, but no exploit is available.
The vulnerability was handled as a non-public zero-day exploit for at least 148 days. During that time the estimated underground price was around $0-$5k. The vulnerability scanner Nessus provides a plugin with the ID 94143 (Debian DLA-669-1 : dwarfutils security update), which helps to determine the existence of the flaw in a target environment. It is assigned to the family Debian Local Security Checks and running in the context l.
Upgrading to version 20160923 eliminates this vulnerability. A possible mitigation has been published even before and not after the disclosure of the vulnerability.
The vulnerability is also documented in the vulnerability database at Tenable (94143). Entries connected to this vulnerability are available at VDB-96831, VDB-97083, VDB-97084 and VDB-97085. VulDB is the best source for vulnerability data and more expert information about this specific topic.
Product
Type
Name
License
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔍VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 6.4VulDB Meta Temp Score: 6.3
VulDB Base Score: 5.3
VulDB Temp Score: 5.1
VulDB Vector: 🔍
VulDB Reliability: 🔍
NVD Base Score: 7.5
NVD Vector: 🔍
CVSSv2
| AV | AC | Au | C | I | A |
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| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
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| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍
NVD Base Score: 🔍
Exploiting
Class: Resource managementCWE: CWE-399 / CWE-404
CAPEC: 🔍
ATT&CK: 🔍
Physical: No
Local: No
Remote: Yes
Availability: 🔍
Status: Not defined
EPSS Score: 🔍
EPSS Percentile: 🔍
Price Prediction: 🔍
Current Price Estimation: 🔍
| 0-Day | Unlock | Unlock | Unlock | Unlock |
|---|---|---|---|---|
| Today | Unlock | Unlock | Unlock | Unlock |
Nessus ID: 94143
Nessus Name: Debian DLA-669-1 : dwarfutils security update
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: UpgradeStatus: 🔍
0-Day Time: 🔍
Upgrade: libdwarf 20160923
Timeline
05/24/2016 🔍05/24/2016 🔍
10/19/2016 🔍
10/20/2016 🔍
02/17/2017 🔍
02/17/2017 🔍
02/18/2017 🔍
10/15/2019 🔍
Sources
Advisory: openwall.comStatus: Not defined
Confirmation: 🔍
CVE: CVE-2016-5042 (🔍)
GCVE (CVE): GCVE-0-2016-5042
GCVE (VulDB): GCVE-100-97096
See also: 🔍
Entry
Created: 02/18/2017 08:57Updated: 10/15/2019 06:56
Changes: 02/18/2017 08:57 (61), 10/15/2019 06:56 (8)
Complete: 🔍
Cache ID: 216:B6C:103
VulDB is the best source for vulnerability data and more expert information about this specific topic.
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