CVE-2018-20348

Exp

libpff_item_tree_create_node in libpff_item_tree.c in libpff before experimental-20180714 allows attackers to cause a denial of service (infinite recursion) via a crafted file, related to libfdata_tree_get_node_value in libfdata_tree.c.

Published: 2018-12-22 Last update: 2024-11-21 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2018-20348 is rated Exploit Available (50/100): CVSS Medium severity, with low exploitation likelihood (EPSS 0.06%). 1 public exploit reference(s) are indexed (Exploit-DB). Public exploits are available—assess exposure, apply mitigations, and prioritize patching.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Public exploit references (Exploit-DB) for CVE-2018-20348

EDB-ID Source Kind Published Link
— nvd_ref exploit_tag Exploit-DB ↗

Exploit prediction scoring system (EPSS) score for CVE-2018-20348

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2023-03-07 0.89% 0.06% -0.83%
2 2022-02-04 0.52% 0.89% +0.37%
3 2021-04-14 — 0.52% —

Full EPSS history (3 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2018-20348

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
5.5 3.0 MEDIUM
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:L)
They already need access on the box, or another person has to do something wrong; it’s not a remote drive-by.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 1.8 3.6 [email protected]
1.9 2.0 LOW
AV:L/AC:M/Au:N/C:N/I:N/A:P Click to expand
Access vector (AV:L)
Requires local access to the target system.
Access complexity (AC:M)
Exploitation needs some favorable conditions, but not exceptional ones.
Authentication (AU:N)
No authentication is required.
Confidentiality impact (C:N)
No confidentiality impact.
Integrity impact (I:N)
No integrity impact.
Availability impact (A:P)
Partial availability impact.
 3.4 2.9 [email protected]

Weakness enumeration for CVE-2018-20348

OS Trackers for CVE-2018-20348

vendor priority summary link
debian not yet assigned CVE-2018-20348 not yet assigned priority: Debian including 1 source packages (libpff), 5 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 5. https://security-tracker.debian.org/tracker/CVE-2018-20348
ubuntu medium CVE-2018-20348 medium priority: Ubuntu including 1 source packages (libpff), 19 status rows across 19 suites (bionic, cosmic, disco, eoan, focal, groovy, hirsute, impish, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): not-affected 14, needs-triage 3, DNE 1, ignored 1. https://ubuntu.com/security/CVE-2018-20348

Affected software / configurations for CVE-2018-20348

Vendor Product Version Raw CPE
libpff_project libpff < 20180714 cpe:2.3:a:libpff_project:libpff:*:*:*:*:*:*:*:*

References for CVE-2018-20348

URL Tags
https://github.com/libyal/libpff/issues/48 Exploit Third Party Advisory
cvelogic Threat Intelligence