GNU Debugger up to 8.0 DWARF Section Negative Length resource management

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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4.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as problematic, was found in GNU Debugger up to 8.0. Affected is an unknown function of the component DWARF Section Handler. Executing a manipulation as part of Negative Length can lead to resource management. This vulnerability is handled as CVE-2017-9778. It is possible to launch the attack on the local host. There is not any exploit available.

Detailsinfo

A vulnerability was found in GNU Debugger up to 8.0. It has been declared as problematic. This vulnerability affects some unknown functionality of the component DWARF Section Handler. The manipulation as part of a Negative Length 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:

GNU Debugger (GDB) 8.0 and earlier fails to detect a negative length field in a DWARF section. A malformed section in an ELF binary or a core file can cause GDB to repeatedly allocate memory until a process limit is reached. This can, for example, impede efforts to analyze malware with GDB.

The bug was discovered 06/15/2017. The weakness was released 06/21/2017 as Bug 21600 as not defined bug report (Bugzilla). The advisory is available at sourceware.org. This vulnerability was named CVE-2017-9778 since 06/21/2017. The attack can be initiated remotely. No form of authentication is required for a successful exploitation. Successful exploitation requires user interaction by the victim. The technical details are unknown and an exploit is not available.

The vulnerability was handled as a non-public zero-day exploit for at least 6 days. During that time the estimated underground price was around $0-$5k.

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

The vulnerability is also documented in the vulnerability database at SecurityFocus (BID 99244†). If you want to get best quality of vulnerability data, you may have to visit VulDB.

Productinfo

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CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 4.4
VulDB Meta Temp Score: 4.4

VulDB Base Score: 3.3
VulDB Temp Score: 3.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
NVD Vector: 🔍

CVSSv2info

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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Resource management
CWE: CWE-399 / CWE-404
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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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍

Timelineinfo

06/15/2017 🔍
06/21/2017 +6 days 🔍
06/21/2017 +0 days 🔍
06/21/2017 +0 days 🔍
06/21/2017 +0 days 🔍
06/23/2017 +2 days 🔍
10/19/2019 +848 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: Bug 21600
Status: Not defined
Confirmation: 🔍

CVE: CVE-2017-9778 (🔍)
GCVE (CVE): GCVE-0-2017-9778
GCVE (VulDB): GCVE-100-102706
SecurityFocus: 99244 - GNU Debugger (GDB) CVE-2017-9778 Denial of Service Vulnerability

Entryinfo

Created: 06/21/2017 14:35
Updated: 10/19/2019 12:37
Changes: 06/21/2017 14:35 (61), 10/19/2019 12:37 (4)
Complete: 🔍
Cache ID: 216::103

If you want to get best quality of vulnerability data, you may have to visit VulDB.

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