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CVE-2018-18521

Status Candidate

Overview

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.

Related Files

Ubuntu Security Notice USN-6322-1
Posted Aug 31, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6322-1 - It was discovered that elfutils incorrectly handled certain malformed files. If a user or automated system were tricked into processing a specially crafted file, elfutils could be made to crash or consume resources, resulting in a denial of service. This issue only affected Ubuntu 14.04 LTS. It was discovered that elfutils incorrectly handled bounds checks in certain functions when processing malformed files. If a user or automated system were tricked into processing a specially crafted file, elfutils could be made to crash or consume resources, resulting in a denial of service.

tags | advisory, denial of service
systems | linux, ubuntu
advisories | CVE-2018-16062, CVE-2018-16403, CVE-2018-18520, CVE-2018-18521, CVE-2019-7149, CVE-2019-7665, CVE-2020-21047, CVE-2021-33294
SHA-256 | 6a0c8cd8afd7342a91696904ca1f4bf9b8e8a03c52d7a2b6efbcf1301d1d0b72
Red Hat Security Advisory 2019-2197-01
Posted Aug 6, 2019
Authored by Red Hat | Site access.redhat.com

Red Hat Security Advisory 2019-2197-01 - The elfutils packages contain a number of utility programs and libraries related to the creation and maintenance of executable code. Buffer over-reads as well as various other vulnerabilities have been addressed.

tags | advisory, vulnerability
systems | linux, redhat
advisories | CVE-2018-16062, CVE-2018-16402, CVE-2018-16403, CVE-2018-18310, CVE-2018-18520, CVE-2018-18521, CVE-2019-7149, CVE-2019-7150, CVE-2019-7664, CVE-2019-7665
SHA-256 | dce572001efe997d3bcdea98367abf82f8970abfea07b788cc2fa74bc66808bf
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