CVE-2016-9558

(1) libdwarf/dwarf_leb.c and (2) dwarfdump/print_frames.c in libdwarf before 20161124 allow remote attackers to have unspecified impact via a crafted bit pattern in a signed leb number, aka a "negation overflow."

CVSS v3 9.8 CRITICAL
CVSS v2.0 7.5 HIGH

9.8^/10

CVSS v3 : CRITICAL

Vector :

Exploitability : 3.9 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity LOW

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

7.5^/10

CVSS v2.0 : HIGH

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

Exploitability : 10.0 / Impact : 6.4

Access Vector NETWORK

Access Complexity LOW

Authentication NONE

Confidentiality Impact PARTIAL

Integrity Impact PARTIAL

Availability Impact PARTIAL

References

Link	Resource
http://www.openwall.com/lists/oss-security/2016/11/19/6	Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/11/23/3	Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/94491	Third Party Advisory VDB Entry
https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/	Exploit Patch Third Party Advisory VDB Entry
https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5	Third Party Advisory
https://www.prevanders.net/dwarfbug.html	Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/11/19/6	Mailing List Patch Third Party Advisory
http://www.openwall.com/lists/oss-security/2016/11/23/3	Mailing List Patch Third Party Advisory
http://www.securityfocus.com/bid/94491	Third Party Advisory VDB Entry
https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/	Exploit Patch Third Party Advisory VDB Entry
https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5	Third Party Advisory
https://www.prevanders.net/dwarfbug.html	Third Party Advisory

Configurations

Configuration 1 (hide)

cpe:2.3:a:libdwarf_project:libdwarf:*:*:*:*:*:*:*:*

History

No history.

Information

Published : 2017-02-28 18:59

Updated : 2025-04-20 01:37

NVD link : CVE-2016-9558

Mitre link : CVE-2016-9558

CVE.ORG link : CVE-2016-9558

JSON object : View

Products Affected

libdwarf_project

libdwarf

CWE

CWE-190

Integer Overflow or Wraparound

{"id": "CVE-2016-9558", "cveTags": [], "metrics": {"cvssMetricV2": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"version": "2.0", "baseScore": 7.5, "accessVector": "NETWORK", "vectorString": "AV:N/AC:L/Au:N/C:P/I:P/A:P", "authentication": "NONE", "integrityImpact": "PARTIAL", "accessComplexity": "LOW", "availabilityImpact": "PARTIAL", "confidentialityImpact": "PARTIAL"}, "acInsufInfo": false, "impactScore": 6.4, "baseSeverity": "HIGH", "obtainAllPrivilege": false, "exploitabilityScore": 10.0, "obtainUserPrivilege": false, "obtainOtherPrivilege": false, "userInteractionRequired": false}], "cvssMetricV31": [{"type": "Primary", "source": "nvd@nist.gov", "cvssData": {"scope": "UNCHANGED", "version": "3.1", "baseScore": 9.8, "attackVector": "NETWORK", "baseSeverity": "CRITICAL", "vectorString": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H", "integrityImpact": "HIGH", "userInteraction": "NONE", "attackComplexity": "LOW", "availabilityImpact": "HIGH", "privilegesRequired": "NONE", "confidentialityImpact": "HIGH"}, "impactScore": 5.9, "exploitabilityScore": 3.9}]}, "published": "2017-02-28T18:59:00.313", "references": [{"url": "http://www.openwall.com/lists/oss-security/2016/11/19/6", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2016/11/23/3", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.securityfocus.com/bid/94491", "tags": ["Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/", "tags": ["Exploit", "Patch", "Third Party Advisory", "VDB Entry"], "source": "cve@mitre.org"}, {"url": "https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "https://www.prevanders.net/dwarfbug.html", "tags": ["Third Party Advisory"], "source": "cve@mitre.org"}, {"url": "http://www.openwall.com/lists/oss-security/2016/11/19/6", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.openwall.com/lists/oss-security/2016/11/23/3", "tags": ["Mailing List", "Patch", "Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "http://www.securityfocus.com/bid/94491", "tags": ["Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://blogs.gentoo.org/ago/2016/11/19/libdwarf-negation-overflow-in-dwarf_leb-c/", "tags": ["Exploit", "Patch", "Third Party Advisory", "VDB Entry"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://sourceforge.net/p/libdwarf/code/ci/4f19e1050cd8e9ddf2cb6caa061ff2fec4c9b5f9/#diff-5", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}, {"url": "https://www.prevanders.net/dwarfbug.html", "tags": ["Third Party Advisory"], "source": "af854a3a-2127-422b-91ae-364da2661108"}], "vulnStatus": "Deferred", "weaknesses": [{"type": "Primary", "source": "nvd@nist.gov", "description": [{"lang": "en", "value": "CWE-190"}]}], "descriptions": [{"lang": "en", "value": "(1) libdwarf/dwarf_leb.c and (2) dwarfdump/print_frames.c in libdwarf before 20161124 allow remote attackers to have unspecified impact via a crafted bit pattern in a signed leb number, aka a \"negation overflow.\""}, {"lang": "es", "value": "(1) libdwarf/dwarf_leb.c y (2) dwarfdump/print_frames.c en libdwarf en versiones anteriores a 20161124 permite a atacantes remotos tener un impacto no especificado a trav\u00e9s de un bit manipulado en un n\u00famero de leb firmado, tambi\u00e9n conocido como \"desbordamiento de negaci\u00f3n\""}], "lastModified": "2025-04-20T01:37:25.860", "configurations": [{"nodes": [{"negate": false, "cpeMatch": [{"criteria": "cpe:2.3:a:libdwarf_project:libdwarf:*:*:*:*:*:*:*:*", "vulnerable": true, "matchCriteriaId": "720D5B9E-31E8-43BD-86CF-C8D947DECED4", "versionEndExcluding": "2016-11-24", "versionStartIncluding": "1999-12-14"}], "operator": "OR"}]}], "sourceIdentifier": "cve@mitre.org"}