CVE-2017-14939

decode_line_info in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles a length calculation, which allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file, related to read_1_byte.

CVSS v3 5.5 MEDIUM
CVSS v2.0 4.3 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector : AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

4.3^/10

CVSS v2.0 : MEDIUM

Vector : AV:N/AC:M/Au:N/C:N/I:N/A:P

Exploitability : 8.6 / Impact : 2.9

Access Vector NETWORK

Access Complexity MEDIUM

Authentication NONE

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact PARTIAL

References

Link	Resource
http://www.securityfocus.com/bid/101216
https://blogs.gentoo.org/ago/2017/09/26/binutils-heap-based-buffer-overflow-in-read_1_byte-dwarf2-c/	Patch Third Party Advisory VDB Entry
https://sourceware.org/bugzilla/show_bug.cgi?id=22169	Issue Tracking Patch Third Party Advisory
https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=515f23e63c0074ab531bc954f84ca40c6281a724
https://www.exploit-db.com/exploits/42970/

Configurations

Configuration 1 (hide)

cpe:2.3:a:gnu:binutils:2.29:*:*:*:*:*:*:*

History

No history.

Information

Published : 2017-09-30 01:29

Updated : 2023-11-07 02:39

NVD link : CVE-2017-14939

Mitre link : CVE-2017-14939

CVE.ORG link : CVE-2017-14939

JSON object : View

Products Affected

gnu

binutils

CWE

CWE-125

Out-of-bounds Read

{"id": "CVE-2017-14939", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 4.3, "accessVector": "NETWORK", "vectorString": "AV:N/AC:M/Au:N/C:N/I:N/A:P", "authentication": "NONE", "integrityImpact": "NONE", "accessComplexity": "MEDIUM", "availabilityImpact": "PARTIAL", "confidentialityImpact": "NONE"}, "acInsufInfo": false, "impactScore": 2.9, "baseSeverity": "MEDIUM", "obtainAllPrivilege": false, "exploitabilityScore": 8.6, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": true}], "cvssMetricV30": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.0", "baseScore": 5.5, "attackVector": "LOCAL", "baseSeverity": "MEDIUM", "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H", "integrityImpact": "NONE", "userInteraction": "REQUIRED", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "NONE"}, "impactScore": 3.6, "exploitabilityScore": 1.8}]}, "published": "2017-09-30T01:29:02.663", "references": [{"url": "http://www.securityfocus.com/bid/101216", "source": "cve@mitre.org"}, {"url": "https://blogs.gentoo.org/ago/2017/09/26/binutils-heap-based-buffer-overflow-in-read_1_byte-dwarf2-c/", "tags": ["Patch", "Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://sourceware.org/bugzilla/show_bug.cgi?id=22169", "tags": ["Issue Tracking", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://sourceware.org/git/gitweb.cgi?p=binutils-gdb.git%3Bh=515f23e63c0074ab531bc954f84ca40c6281a724", "source": "cve@mitre.org"}, {"url": "https://www.exploit-db.com/exploits/42970/", "source": "cve@mitre.org"}], "vulnStatus": "Modified", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-125"}]}], "descriptions": [{"lang": "en", "value": "decode_line_info in dwarf2.c in the Binary File Descriptor (BFD) library (aka libbfd), as distributed in GNU Binutils 2.29, mishandles a length calculation, which allows remote attackers to cause a denial of service (heap-based buffer over-read and application crash) via a crafted ELF file, related to read_1_byte."}, {"lang": "es", "value": "decode_line_info en dwarf2.c en la biblioteca Binary File Descriptor (BFD), conocida como libbfd, tal y como se distribuye en GNU Binutils 2.29 y anteriores, gestiona de manera incorrecta un c\u00e1lculo de longitud, lo que permite a atacantes remotos provocar una denegaci\u00f3n de servicio (sobrelectura de b\u00fafer basado en pila y bloqueo de aplicaci\u00f3n) mediante un archivo ELF manipulado, relacionado con read_1_byte."}], "lastModified": "2023-11-07T02:39:17.747", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:gnu:binutils:2.29:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "C2CD1DE6-27E3-47BF-955F-8803A0063F34"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}