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Elfutils CVE-2017-7613

MEDIUM
Improper Input Validation (CWE-20)
2017-04-09 cve@mitre.org
Denial Of Service Debian Canonical Debian Linux Ubuntu Linux Elfutils Elfutils Project
5.5
CVSS 3.0 · NVD
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Vulnerability Assessment

Weakness
CWE
CWE-20
OWASP Top 10:2025
A05:2025 - Injection
ASVS 5.0
V2 - Validation and Business Logic Input validation, allowlisting
Impact

CVSS score of 5.5 (MEDIUM). Attack characteristics: local attack vector, low complexity, no privileges required, user interaction required. Public proof-of-concept exploit code is available. EPSS exploitation probability: 0.59%.
Exploit ScenarioDerived

Successful exploitation could compromise the medium-severity affected system.
This Month Plan within 30 days. Why: MEDIUM severity (CVSS 4.0-6.9).
No patch listed yet 0.6% exploitation probability (EPSS)

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AnalysisAI

elflint.c in elfutils 0.168 does not validate the number of sections and the number of segments, which allows remote attackers to cause a denial of service (memory consumption) via a crafted ELF file. Rated medium severity (CVSS 5.5), this vulnerability is no authentication required, low attack complexity. Public exploit code available and no vendor patch available.

RemediationAI

No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Apply vendor patches when available. Implement network segmentation and monitoring as interim mitigations.

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Technical ContextAI · show details

This vulnerability is classified under CWE-20. elflint.c in elfutils 0.168 does not validate the number of sections and the number of segments, which allows remote attackers to cause a denial of service (memory consumption) via a crafted ELF file. Affected products include: Elfutils Project Elfutils, Debian Debian Linux, Canonical Ubuntu Linux.

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  • Exploit and PoC references, threat intelligence from 22 sources
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Severity by source

NVD PRIMARY 5.5 MEDIUM
AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Primary rating from NVD · only source for this CVE.

CVSS VectorNVD

Attack Vector
Local
Attack Complexity
Low
Privileges Required
None
User Interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High

DescriptionCVE.org

elflint.c in elfutils 0.168 does not validate the number of sections and the number of segments, which allows remote attackers to cause a denial of service (memory consumption) via a crafted ELF file.

Threat Intelligence Overview

EPSS Score
0.6%
Top 31% exploitable
Exploit
POC
Public exploit code exists
Data Quality
3 sources
Confidence: Low
NVD CVE.org EPSS

How this decision was reached

The engine reads each signal below and applies a fixed list of rules from top to bottom. The first rule that matches sets the recommended action – like a statement, every line is shown.

SignalValue
Severity MEDIUM
CISA KEV No
Public POC Yes
EPSS 0.6%
Patch available No
Active threat No
Deciding rule
MEDIUM severity (CVSS 4.0-6.9)
What every action level means
Emergency Immediate action required. Criteria: CRITICAL + in CISA KEV (actively exploited) without patch, OR CRITICAL + EPSS > 30% without patch, OR CRITICAL + active threat signals without patch.
Act Now Prioritize within 24-48h. Criteria: in KEV with patch available, OR CRITICAL + public POC, OR HIGH + EPSS > 10%, OR CRITICAL + active threat, OR any CRITICAL severity.
This Week Schedule remediation this week. Criteria: HIGH severity (CVSS 7.0-8.9). Patch within normal change window.
This Month Plan within 30 days. Criteria: MEDIUM severity (CVSS 4.0-6.9), lower exploitation probability. Include in regular patch cycle.
Monitor Track and reassess. Criteria: LOW severity (CVSS 0.1-3.9), minimal exploitation risk. No immediate action needed.

SSVC AssessmentENISA

SSVC Decision· derived
Scheduled
Exploitation· derived
Poc
System Exposure· derived
Small
Automatable· derived
No
Human Impact· derived
Medium

Priority Score

49
Low Medium High Critical
KEV: 0
EPSS: +1
CVSS: +28
PoC: +20
Weaponized: 0
Threat intel: 0
Gov advisory: 0

Attack Technique

Denial of Service MEDIUM

Denial of Service attacks render applications or systems unavailable by overwhelming resources or triggering failure conditions.

Affected Products (CPE)CVE.org

cpe:2.3:a:elfutils_project:elfutils:0.168:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:14.04:*:*:*:lts:*:*:*
cpe:2.3:o:canonical:ubuntu_linux:16.04:*:*:*:lts:*:*:*

More in Elfutils

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CVE-2018-16402 CRITICAL POC
9.8 Sep 03

libelf/elf_end.c in elfutils 0.173 allows remote attackers to cause a denial of service (double free and application cra
CVE-2018-8769 HIGH POC
7.8 Mar 18

elfutils 0.170 has a buffer over-read in the ebl_dynamic_tag_name function of libebl/ebldynamictagname.c because SYMTAB_
CVE-2019-7149 MEDIUM POC
6.5 Jan 29

A heap-based buffer over-read was discovered in the function read_srclines in dwarf_getsrclines.c in libdw in elfutils 0
CVE-2019-7148 MEDIUM POC
6.5 Jan 29

An attempted excessive memory allocation was discovered in the function read_long_names in elf_begin.c in libelf in elfu
CVE-2018-18520 MEDIUM POC
6.5 Oct 19

An Invalid Memory Address Dereference exists in the function elf_end in libelf in elfutils through v0.174. Rated medium

CVE-2017-7607 MEDIUM POC
5.5 Apr 09

The handle_gnu_hash function in readelf.c in elfutils 0.168 allows remote attackers to cause a denial of service (heap-b
CVE-2017-7612 MEDIUM POC
5.5 Apr 09

The check_sysv_hash function in elflint.c in elfutils 0.168 allows remote attackers to cause a denial of service (heap-b
CVE-2017-7610 MEDIUM POC
5.5 Apr 09

The check_group function in elflint.c in elfutils 0.168 allows remote attackers to cause a denial of service (heap-based
CVE-2017-7608 MEDIUM POC
5.5 Apr 09

The ebl_object_note_type_name function in eblobjnotetypename.c in elfutils 0.168 allows remote attackers to cause a deni
CVE-2017-7611 MEDIUM POC
5.5 Apr 09

The check_symtab_shndx function in elflint.c in elfutils 0.168 allows remote attackers to cause a denial of service (hea
CVE-2017-7609 MEDIUM POC
5.5 Apr 09

elf_compress.c in elfutils 0.168 does not validate the zlib compression factor, which allows remote attackers to cause a
CVE-2019-7665 MEDIUM POC
5.5 Feb 09

In elfutils 0.175, a heap-based buffer over-read was discovered in the function elf32_xlatetom in elf32_xlatetom.c in li

Same weakness CWE-20 – Improper Input Validation

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CVE-2017-9791 CRITICAL POC
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CVE-2019-0604 CRITICAL POC
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Same technique Denial Of Service

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CVE-2015-5119 CRITICAL POC
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CVE-2011-2462 CRITICAL POC
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CVE-2011-0611 HIGH POC
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CVE-2012-1889 HIGH POC
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CVE-2012-0507 CRITICAL POC
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CVE-2014-1761 HIGH POC
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CVE-2015-5122 CRITICAL POC
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CVE-2011-0609 HIGH POC
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References

Advisories & patches
REF http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.html REF https://lists.debian.org/debian-lts-announce/2019/02/msg00036.html REF https://security.gentoo.org/glsa/201710-10 REF https://usn.ubuntu.com/3670-1/

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