What is CVE-2018-17407?

CVE-2018-17407 is a high-severity vulnerability in Tug Tex Live, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-09-23.

How severe is CVE-2018-17407?

High severity. CVSS v3 base score is 7.8 out of 10.

Buffer overflow in Tug Tex Live

CVE-2018-17407

An issue was discovered in t1_check_unusual_charstring functions in writet1.c files in TeX Live before 2018-09-21. A buffer overflow in the handling of Type 1 fonts allows arbitrary code execution when a malicious font is loaded by one of the vulnerable tools: pdflatex, pdftex, dvips, or luatex.

Vulnerability class: Buffer Overflow

EPSS: 0.021 (79.3th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Tug Tex_live
Canonical Ubuntu_linux — versions 14.04, 16.04, 18.04
Debian Debian_linux — versions 8.0, 9.0
N/a — versions n/a

Weakness classification (CWE)

CWE-119 — Improper Restriction of Operations within the Bounds of a Memory Buffer

References

cve@mitre.org (Patch, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
cve@mitre.org (Mailing List, Third Party Advisory, x_refsource_MISC)
cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
cve@mitre.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)

Frequently asked questions

What is CVE-2018-17407?: CVE-2018-17407 is a high-severity vulnerability in Tug Tex Live, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 7.8/10. Published 2018-09-23.
How severe is CVE-2018-17407?: High severity. CVSS v3 base score is 7.8 out of 10.