GNU binutils 2.29 libbfd opncls.c bfd_getl32 memory corruption

CVSS Meta Temp Score
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CTI Interest Score
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5.4$0-$5k0.00

Summaryinfo

A vulnerability, which was classified as critical, has been found in GNU binutils 2.29. This issue affects the function bfd_getl32 of the file opncls.c of the component libbfd. The manipulation leads to memory corruption. This vulnerability is uniquely identified as CVE-2017-15021. Local access is required to approach this attack. No exploit exists.

Detailsinfo

A vulnerability, which was classified as critical, has been found in GNU binutils 2.29 (Programming Tool Software). This issue affects the function bfd_getl32 of the file opncls.c of the component libbfd. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability. The summary by CVE is:

bfd_get_debug_link_info_1 in opncls.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file, related to bfd_getl32.

The bug was discovered 10/04/2017. The weakness was disclosed 10/05/2017 (Website). It is possible to read the advisory at blogs.gentoo.org. The identification of this vulnerability is CVE-2017-15021 since 10/04/2017. The attack may be initiated remotely. No form of authentication is needed for a successful exploitation. 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.

The vulnerability scanner Nessus provides a plugin with the ID 111916 (Photon OS 1.0: Binutils PHSA-2018-1.0-0104 (deprecated)), which helps to determine the existence of the flaw in a target environment. It is assigned to the family PhotonOS Local Security Checks and running in the context l.

A possible mitigation has been published 5 months after the disclosure of the vulnerability.

The vulnerability is also documented in the vulnerability database at Tenable (111916). The entries VDB-105827, VDB-107296, VDB-107298 and VDB-107300 are pretty similar. Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

Productinfo

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Vendor

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔍
VulDB Reliability: 🔍

CVSSv3info

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

VulDB Base Score: 5.3
VulDB Temp Score: 5.3
VulDB Vector: 🔍
VulDB Reliability: 🔍

NVD Base Score: 5.5
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: Memory corruption
CWE: CWE-119
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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Nessus ID: 111916
Nessus Name: Photon OS 1.0: Binutils PHSA-2018-1.0-0104 (deprecated)
Nessus File: 🔍
Nessus Risk: 🔍
Nessus Family: 🔍
Nessus Context: 🔍

Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

Reaction Time: 🔍
0-Day Time: 🔍
Exposure Time: 🔍

Patch: 52b36c51e5bf6d7600fdc6ba115b170b0e78e31d

Timelineinfo

10/04/2017 🔍
10/04/2017 +0 days 🔍
10/04/2017 +0 days 🔍
10/05/2017 +1 days 🔍
10/05/2017 +0 days 🔍
02/01/2018 +119 days 🔍
08/17/2018 +197 days 🔍
12/30/2022 +1596 days 🔍

Sourcesinfo

Vendor: gnu.org

Advisory: blogs.gentoo.org
Status: Not defined

CVE: CVE-2017-15021 (🔍)
GCVE (CVE): GCVE-0-2017-15021
GCVE (VulDB): GCVE-100-107507
See also: 🔍

Entryinfo

Created: 10/05/2017 15:24
Updated: 12/30/2022 18:43
Changes: 10/05/2017 15:24 (64), 11/22/2019 11:40 (6), 12/30/2022 18:43 (3)
Complete: 🔍
Cache ID: 216::103

Statistical analysis made it clear that VulDB provides the best quality for vulnerability data.

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