Multiple vulnerabilities in MuPDF



| Updated: 2023-05-12
Risk High
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2019-7321
CVE-2019-6130
CVE-2019-6131
CVE-2018-19881
CVE-2018-19882
CWE-ID CWE-476
CWE-20
CWE-399
CWE-400
Exploitation vector Network
Public exploit N/A
Vulnerable software
 MuPDF
Client/Desktop applications / Multimedia software

Vendor Artifex Software, Inc.

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) NULL pointer dereference

EUVDB-ID: #VU35831

Risk: High

CVSSv4.0: 8.1 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/U:Amber]

CVE-ID: CVE-2019-7321

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

Usage of an uninitialized variable in the function fz_load_jpeg in Artifex MuPDF 1.14 can result in a heap overflow vulnerability that allows an attacker to execute arbitrary code.

Mitigation

Install update from vendor's website.

Vulnerable software versions

MuPDF: 1.14.0

CPE2.3 External links

https://github.com/ereisr00/bagofbugz/tree/master/MuPDF/700560


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.

2) Input validation error

EUVDB-ID: #VU36243

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-6130

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

Artifex MuPDF 1.14.0 has a SEGV in the function fz_load_page of the fitz/document.c file, as demonstrated by mutool. This is related to page-number mishandling in cbz/mucbz.c, cbz/muimg.c, and svg/svg-doc.c.

Mitigation

Install update from vendor's website.

Vulnerable software versions

MuPDF: 1.14.0

CPE2.3 External links

https://www.securityfocus.com/bid/106558
https://bugs.ghostscript.com/show_bug.cgi?id=700446
https://lists.debian.org/debian-lts-announce/2019/06/msg00027.html
https://lists.debian.org/debian-lts-announce/2020/07/msg00019.html
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CNJNEX5EW6YH5OARXXSSXW4HHC5PIBSY/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SEK2EHVNREJ7XZMFF2MXRWKIF4IBHPNE/


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.

3) Resource management error

EUVDB-ID: #VU36244

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2019-6131

CWE-ID: CWE-399 - Resource Management Errors

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

svg-run.c in Artifex MuPDF 1.14.0 has infinite recursion with stack consumption in svg_run_use_symbol, svg_run_element, and svg_run_use, as demonstrated by mutool.

Mitigation

Install update from vendor's website.

Vulnerable software versions

MuPDF: 1.14.0

CPE2.3 External links

https://www.securityfocus.com/bid/106558
https://bugs.ghostscript.com/show_bug.cgi?id=700442
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CNJNEX5EW6YH5OARXXSSXW4HHC5PIBSY/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SEK2EHVNREJ7XZMFF2MXRWKIF4IBHPNE/


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.

4) Resource exhaustion

EUVDB-ID: #VU36338

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-19881

CWE-ID: CWE-400 - Resource exhaustion

Exploit availability: No

Description

The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.

In Artifex MuPDF 1.14.0, svg/svg-run.c allows remote attackers to cause a denial of service (recursive calls followed by a fitz/xml.c fz_xml_att crash from excessive stack consumption) via a crafted svg file, as demonstrated by mupdf-gl.

Mitigation

Install update from vendor's website.

Vulnerable software versions

MuPDF: 1.14.0

CPE2.3 External links

https://bugs.ghostscript.com/show_bug.cgi?id=700342
https://github.com/TeamSeri0us/pocs/tree/master/mupdf/20181203
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CNJNEX5EW6YH5OARXXSSXW4HHC5PIBSY/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SEK2EHVNREJ7XZMFF2MXRWKIF4IBHPNE/


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.

5) NULL pointer dereference

EUVDB-ID: #VU36339

Risk: Medium

CVSSv4.0: 4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2018-19882

CWE-ID: CWE-476 - NULL Pointer Dereference

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform a denial of service (DoS) attack.

The vulnerability exists due to a NULL pointer dereference error. A remote attacker can trigger denial of service conditions via a crafted svg file, as demonstrated by mupdf-gl.

Mitigation

Install update from vendor's website.

Vulnerable software versions

MuPDF: 1.14.0

CPE2.3 External links

https://bugs.ghostscript.com/show_bug.cgi?id=700342
https://github.com/TeamSeri0us/pocs/tree/master/mupdf/20181203
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/CNJNEX5EW6YH5OARXXSSXW4HHC5PIBSY/
https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/SEK2EHVNREJ7XZMFF2MXRWKIF4IBHPNE/


Q & A

Can this vulnerability be exploited remotely?

No. This vulnerability can be exploited locally. The attacker should have authentication credentials and successfully authenticate on the system.

Is there known malware, which exploits this vulnerability?

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



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