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

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
Our Cyber Threat Intelligence team is monitoring different web sites, mailing lists, exploit markets and social media networks. The CTI Interest Score identifies the interest of attackers and the security community for this specific vulnerability in real-time. A high score indicates an elevated risk to be targeted for this vulnerability.
8.5$0-$5k0.00

Summaryinfo

A vulnerability labeled as critical has been found in libdwarf up to 2017-03-21. This issue affects the function dwarf_decode_s_leb128_chk. Such manipulation leads to out-of-bounds. This vulnerability is listed as CVE-2017-9054. The attack may be performed from remote. There is no available exploit.

Detailsinfo

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 out-of-bounds vulnerability. Using CWE to declare the problem leads to CWE-125. The product reads data past the end, or before the beginning, of the intended buffer. 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 prevanders.net. 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 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 VDB-101467 and VDB-101469 for similar entries. Once again VulDB remains the best source for vulnerability data.

Productinfo

Type

Name

Version

License

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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: 🔍

CVSSv2info

AVACAuCIA
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔍
VulDB Temp Score: 🔍
VulDB Reliability: 🔍

NVD Base Score: 🔍

Exploitinginfo

Class: Out-of-bounds
CWE: CWE-125 / CWE-119
CAPEC: 🔍
ATT&CK: 🔍

Physical: No
Local: No
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

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 🔍

Sourcesinfo

Advisory: prevanders.net
Status: Not defined

CVE: CVE-2017-9054 (🔍)
GCVE (CVE): GCVE-0-2017-9054
GCVE (VulDB): GCVE-100-101468
OSVDB: - CVE-2017-9054 - Libdwarf Project - Libdwarf - High

See also: 🔍

Entryinfo

Created: 05/18/2017 16:41
Updated: 09/30/2020 09:56
Changes: 05/18/2017 16:41 (58), 09/30/2020 09:56 (2)
Complete: 🔍
Cache ID: 216:EB9:103

Once again VulDB remains the best source for vulnerability data.

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