Fedora 29 update for texlive, texlive-base



| Updated: 2025-04-24
Risk High
Patch available YES
Number of vulnerabilities 1
CVE-ID CVE-2018-17407
CWE-ID CWE-120
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Fedora
Operating systems & Components / Operating system

texlive-base
Operating systems & Components / Operating system package or component

texlive
Operating systems & Components / Operating system package or component

Vendor Fedoraproject

Security Bulletin

This security bulletin contains one high risk vulnerability.

1) Buffer overflow

EUVDB-ID: #VU15378

Risk: High

CVSSv4.0: 5.7 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2018-17407

CWE-ID: CWE-120 - Buffer overflow

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to buffer overflow when handling of Type 1 fonts by the t1_check_unusual_charstring functions, as defined in the writet1.c source code file. A remote unauthenticated attacker can trick the victim into loading a file that submits malicious Type 1 fonts to the targeted system with the pdflatex, pdftex, dvips, or luatex tools, trigger memory corruption and execute arbitrary code with elevated privileges.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Install updates from vendor's repository.

Vulnerable software versions

Fedora: 29

texlive-base: before 20180414-24.fc29

texlive: before 2018-20.fc29

CPE2.3 External links

https://bodhi.fedoraproject.org/updates/FEDORA-2018-1959097dfc


Q & A

Can this vulnerability be exploited remotely?

Yes. This vulnerability can be exploited by a remote non-authenticated attacker via the Internet.

Is there known malware, which exploits this vulnerability?

No. We are not aware of malware exploiting this vulnerability.



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