VDB-102895 · CVE-2017-9998 · BID 99310

libdwarf dwarf_leb.c dwarf_decode_s_leb128_chk input validation

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability was found in libdwarf (Programming Tool Software) (affected version unknown). It has been declared as problematic. Affected by this vulnerability is the function dwarf_decode_s_leb128_chk of the file dwarf_leb.c. The manipulation with an unknown input leads to a privilege escalation vulnerability. The CWE definition for the vulnerability is CWE-20. As an impact it is known to affect availability. The summary by CVE is:

The _dwarf_decode_s_leb128_chk function in dwarf_leb.c in libdwarf through 2017-06-28 allows remote attackers to cause a denial of service (Segmentation fault) via a crafted file.

The bug was discovered 06/28/2017. The weakness was published 06/28/2017 by OWL337 (Website). It is possible to read the advisory at securityfocus.com. This vulnerability is known as CVE-2017-9998 since 06/28/2017. 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.

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




CPE 2.3infoedit

CPE 2.2infoedit


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

VulDB Base Score: 4.3
VulDB Temp Score: 4.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 6.5
NVD Vector: 🔍



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

NVD Base Score: 🔍


Class: Privilege escalation
ATT&CK: Unknown

Local: No
Remote: Yes

Availability: 🔍
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔍


Threat Intelligenceinfoedit

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


Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔍


06/28/2017 🔍
06/28/2017 +0 days 🔍
06/28/2017 +0 days 🔍
06/28/2017 +0 days 🔍
06/28/2017 +0 days 🔍
06/28/2017 +0 days 🔍
12/30/2020 +1281 days 🔍


Advisory: securityfocus.com [404 Not Found]
Researcher: OWL337
Status: Not defined

CVE: CVE-2017-9998 (🔍)
SecurityFocus: 99310 - Libdwarf CVE-2017-9998 Remote Denial Of Service Vulnerability


Created: 06/28/2017 04:41 PM
Updated: 12/30/2020 07:18 AM
Changes: (3) vulnerability_cvss2_nvd_basescore advisory_person_name exploit_price_0day
Complete: 🔍


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