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CVE-2018-16403

Date: September 3, 2018

libdw in elfutils 0.173 checks the end of the attributes list incorrectly in dwarf_getabbrev in dwarf_getabbrev.c and dwarf_hasattr in dwarf_hasattr.c, leading to a heap-based buffer over-read and an application crash.

Language: C

Severity Score

Related Resources (11)

https://nvd.nist.gov/vuln/detail/CVE-2018-16403
https://usn.ubuntu.com/4012-1/
https://access.redhat.com/security/cve/CVE-2018-16403
https://security-tracker.debian.org/tracker/CVE-2018-16403
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html
https://sourceware.org/bugzilla/show_bug.cgi?id=23529
https://sourceware.org/git/?p=elfutils.git%3Ba=commit%3Bh=6983e59b727458a6c64d9659c85f08218bc4fcda
https://access.redhat.com/errata/RHSA-2019:2197
https://security.alpinelinux.org/vuln/CVE-2018-16403
https://people.canonical.com/~ubuntu-security/cve/CVE-2018-16403
https://www.mend.io/vulnerability-database/CVE-2018-16403

Severity Score

Weakness Type (CWE)

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-119

Out-of-bounds Read

CWE-125

CVSS v3.1

Base Score:
Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): HIGH

CVSS v2

Base Score:
Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (AU): NONE
Confidentiality (C): NONE
Integrity (I): NONE
Availability (A): PARTIAL
Additional information:

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