6.5

CVE-2018-17000: canonical ubuntu_linux NULL Pointer Dereference

CVSS: 6.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-17000DEBIAN-CVE-2018-17000
Published 13-09-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-17000 is a medium (CVSS 6.5) NULL Pointer Dereference vulnerability in canonical ubuntu_linux. EPSS estimates a 3.25% chance of exploitation in the next 30 days, higher than 88.1% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
37/100
0100
Medium · default modelHow is this calculated?
CVSS score
6.5/10
010
Medium · v3.0 (NVD)
EPSS score
3.25%
0%100%
Low · -0.01 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Advisory lineage

Upstream 0 · Downstream 7 · Related 5
DLA-1680-1DSA-4670-1OPENSUSE-SU-2019:1161-1OPENSUSE-SU-2024:11461-1SUSE-SU-2019:0786-1SUSE-SU-2019:3058-1

Timeline

  1. 13-09-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

A NULL pointer dereference in the function _TIFFmemcmp at tif_unix.c (called from TIFFWriteDirectoryTagTransferfunction) in LibTIFF 4.0.9 allows an attacker to cause a denial-of-service through a crafted tiff file. This vulnerability can be triggered by the executable tiffcp.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

3.25%

Chance of exploitation in the next 30 days

Percentile

88%

Versus all other CVEs

30-day change

-0.01 pp

From 3.26% on 18-09-2026

18-09-202618-10-2026
EPSS score
3.25%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugzilla.maptools.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Debian2 products
Canonical1 product
Libtiff1 product
Ubuntu1 product
  • tiff< 4.0.3-7ubuntu0.11 | < 4.0.6-1ubuntu0.6 | < 4.0.9-5ubuntu0.2

4 vendors · 5 products

References

10 links