libdwarf up to 2017-03-21 dwarf_decode_s_leb128_chk out-of-bounds read

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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A vulnerability, which was classified as critical, has been found in libdwarf up to 2017-03-21 (Programming Tool Software). Affected by this issue is the function dwarf_decode_s_leb128_chk. The manipulation with an unknown input leads to a information disclosure vulnerability. Using CWE to declare the problem leads to CWE-125. Impacted is confidentiality, integrity, and availability. CVE summarizes:

An issue, also known as DW201703-002, was discovered in libdwarf 2017-03-21. In _dwarf_decode_s_leb128_chk() a byte pointer was dereferenced just before it was checked for being in bounds, leading to a heap-based buffer over-read.

The bug was discovered 03/20/2017. The weakness was presented 05/18/2017 (Website). The advisory is shared for download at This vulnerability is handled as CVE-2017-9054 since 05/18/2017. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 09/30/2020).

The vulnerability was handled as a non-public zero-day exploit for at least 59 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.

See 101467 and 101469 for similar entries.




CPE 2.3infoedit

CPE 2.2infoedit


VulDB Meta Base Score: 8.5
VulDB Meta Temp Score: 8.5

VulDB Base Score: 7.3
VulDB Temp Score: 7.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 9.8
NVD Vector: 🔍



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

NVD Base Score: 🔍


Class: Information disclosure
CWE: CWE-125
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: 🔍


03/20/2017 🔍
05/18/2017 +59 days 🔍
05/18/2017 +0 days 🔍
05/18/2017 +0 days 🔍
05/18/2017 +0 days 🔍
09/30/2020 +1231 days 🔍


Status: Not defined

CVE: CVE-2017-9054 (🔍)
OSVDB: - CVE-2017-9054 - Libdwarf Project - Libdwarf - High

See also: 🔍


Created: 05/18/2017 04:41 PM
Updated: 09/30/2020 09:56 AM
Changes: (2) vulnerability_discoverydate source_osvdb_title
Complete: 🔍


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