Ubuntu update for tiff



Risk Medium
Patch available YES
Number of vulnerabilities 2
CVE-ID CVE-2022-40090
CVE-2023-3576
CWE-ID CWE-835
CWE-401
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

libtiff5 (Ubuntu package)
Operating systems & Components / Operating system package or component

libtiff-tools (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 2 vulnerabilities.

1) Infinite loop

EUVDB-ID: #VU83502

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-2022-40090

CWE-ID: CWE-835 - Loop with Unreachable Exit Condition ('Infinite Loop')

Exploit availability: No

Description

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

The vulnerability exists due to infinite loop within the TIFFReadDirectory() function. A remote attacker can consume all available system resources and cause denial of service conditions.

Mitigation

Update the affected package tiff to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 22.04

libtiff5 (Ubuntu package): before 4.1.0+git191117-2ubuntu0.20.04.11

libtiff-tools (Ubuntu package): before 4.1.0+git191117-2ubuntu0.20.04.11

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6512-1


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) Memory leak

EUVDB-ID: #VU78727

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-2023-3576

CWE-ID: CWE-401 - Missing release of memory after effective lifetime

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform DoS attack on the target system.

The vulnerability exists due memory leak in tools/tiffcrop.c when handling TIFF files. A remote attacker can force the application to leak memory and perform denial of service attack.

Mitigation

Update the affected package tiff to the latest version.

Vulnerable software versions

Ubuntu: 14.04 - 22.04

libtiff5 (Ubuntu package): before 4.1.0+git191117-2ubuntu0.20.04.11

libtiff-tools (Ubuntu package): before 4.1.0+git191117-2ubuntu0.20.04.11

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6512-1


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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