Home/CVE/Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in elfutils 0.174 allow remote attackers t
CVE

CVE-2018-18521

Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in elfutils 0.174 allow remote attackers t

Divide-by-zero vulnerabilities in the function arlib_add_symbols() in arlib.c in elfutils 0.174 allow remote attackers to cause a denial of service (application crash) with a crafted ELF file, as demonstrated by eu-ranlib, because a zero sh_entsize is mishandled.

MEDIUM · CVSS 5.5 EPSS 0.00105
Schedule remediation
  • Public exploit or PoC is available
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-369Divide By Zero
▤

Affected Products & Versions

7
elfutils project elfutilsall versions
debian linuxall versions
redhat enterprise linux desktopall versions
redhat enterprise linux serverall versions
redhat enterprise linux workstationall versions
opensuse leapall versions
canonical ubuntu linuxall versions
⚠

Public Exploits & PoCs

1
pocsourceware.org · show_bug.cgi?id=23786sourceware.org
▣

Scoring & Timeline

5.5
MEDIUM · CVSS v3.1 · cve@mitre.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD19 Oct 2018 · 05:29 PM
CVSS VectorCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
⚑

Vendor Advisories

9
usnUSN-6322-1
suse-csafSUSE-SU-2022:2614-1
suse-csafSUSE-SU-2022:2614-2
rhsaRHBA-2020:0547Important
suse-csafSUSE-SU-2019:1733-1
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
http://lists.opensuse.org/opensuse-security-announce/2019-06/msg00052.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2019/02/msg00036.htmlMailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2021/10/msg00030.htmlMailing ListThird Party Advisory
https://sourceware.org/ml/elfutils-devel/2018-q4/msg00055.htmlMailing ListPatchThird Party Advisory
https://usn.ubuntu.com/4012-1/Third Party Advisory
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