Ubuntu update for poppler



Risk Medium
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2020-23804
CVE-2022-37050
CVE-2022-37051
CVE-2022-37052
CVE-2022-38349
CWE-ID CWE-674
CWE-20
CWE-617
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

poppler-utils (Ubuntu package)
Operating systems & Components / Operating system package or component

libpoppler73 (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Uncontrolled recursion

EUVDB-ID: #VU81718

Risk: Medium

CVSSv4.0: 6.6 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2020-23804

CWE-ID: CWE-674 - Uncontrolled Recursion

Exploit availability: No

Description

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

The vulnerability exists due to uncontrolled recursion in pdfinfo and pdftops. A remote attacker can pass a specially crafted document to application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package poppler to the latest version.

Vulnerable software versions

Ubuntu: 18.04

poppler-utils (Ubuntu package): before Ubuntu Pro

libpoppler73 (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6508-2


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: #VU82598

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-37050

CWE-ID: CWE-20 - Improper input validation

Exploit availability: No

Description

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

The vulnerability exists due to insufficient validation of user-supplied input within the PDFDoc::savePageAs() function in PDFDoc.c. A remote attacker can trick the victim to open a specially crafted PDF file and perform a denial of service (DoS) attack.

Note, the vulnerability exists due to incomplete patch for #VU16830 (CVE-2018-20662).

Mitigation

Update the affected package poppler to the latest version.

Vulnerable software versions

Ubuntu: 18.04

poppler-utils (Ubuntu package): before Ubuntu Pro

libpoppler73 (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6508-2


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) Reachable Assertion

EUVDB-ID: #VU82599

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-37051

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

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

The vulnerability exists due to a reachable assertion in pdfunite.cc. A remote attacker can trick the victim to open a specially crafted PDF file and crash the application.

Mitigation

Update the affected package poppler to the latest version.

Vulnerable software versions

Ubuntu: 18.04

poppler-utils (Ubuntu package): before Ubuntu Pro

libpoppler73 (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6508-2


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) Reachable Assertion

EUVDB-ID: #VU82597

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-37052

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

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

The vulnerability exists due to a reachable assertion in Object::getString(). A remote attacker can trick the victim to open a specially crafted file and crash the application.

Mitigation

Update the affected package poppler to the latest version.

Vulnerable software versions

Ubuntu: 18.04

poppler-utils (Ubuntu package): before Ubuntu Pro

libpoppler73 (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6508-2


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) Reachable Assertion

EUVDB-ID: #VU82600

Risk: Low

CVSSv4.0: 1 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:U/U:Clear]

CVE-ID: CVE-2022-38349

CWE-ID: CWE-617 - Reachable Assertion

Exploit availability: No

Description

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

The vulnerability exists due to a reachable assertion within the PDFDoc::replacePageDict() function in PDFDoc.cc. A remote attacker can trick the victim to open a specially crafted PDF file and crash the application.

Mitigation

Update the affected package poppler to the latest version.

Vulnerable software versions

Ubuntu: 18.04

poppler-utils (Ubuntu package): before Ubuntu Pro

libpoppler73 (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6508-2


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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