CVE-2018-18521
medium
CVSS v3
—
CVSS v2
—
VIR risk
5.5
Description
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.
Predictions
Exploit likelihood
20%
Patch ETA
—
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2018-18521
Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2018-18521.html
Vendor advisory: arch — https://security.archlinux.org/ASA-201901-3
OS impact
| OS | Version | Status | Fixed in |
|---|---|---|---|
| arch | fixed | 0.175-1 | |
| sles | affected | | |
| debian | bookworm | fixed | 0.175-1 |
| debian | bullseye | fixed | 0.175-1 |
| debian | forky | fixed | 0.175-1 |
| debian | sid | fixed | 0.175-1 |
| debian | trixie | fixed | 0.175-1 |
References
Verify integrity in audit chain (admin only). AS-IS.