Ubuntu update for espeak-ng



Risk Low
Patch available YES
Number of vulnerabilities 5
CVE-ID CVE-2023-49990
CVE-2023-49991
CVE-2023-49992
CVE-2023-49993
CVE-2023-49994
CWE-ID CWE-119
CWE-121
CWE-248
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Ubuntu
Operating systems & Components / Operating system

espeak-ng-espeak (Ubuntu package)
Operating systems & Components / Operating system package or component

espeak-ng (Ubuntu package)
Operating systems & Components / Operating system package or component

Vendor Canonical Ltd.

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Buffer overflow

EUVDB-ID: #VU85013

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/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-2023-49990

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the SetUpPhonemeTable() function at synthdata.c. A remote attacker can trick the victim to pass a specially crafted file to the application and perform a denial of service (DoS) attack.


Mitigation

Update the affected package espeak-ng to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 23.10

espeak-ng-espeak (Ubuntu package): before Ubuntu Pro

espeak-ng (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6858-1


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) Stack-based buffer overflow

EUVDB-ID: #VU85015

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/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-2023-49991

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the CountVowelPosition() function in synthdata.c. A remote attacker can trick the victim to pass a specially crafted file to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package espeak-ng to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 23.10

espeak-ng-espeak (Ubuntu package): before Ubuntu Pro

espeak-ng (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6858-1


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.

3) Stack-based buffer overflow

EUVDB-ID: #VU85016

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/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-2023-49992

CWE-ID: CWE-121 - Stack-based buffer overflow

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the RemoveEnding() function in dictionary.c. A remote attacker can trick the victim to pass a specially crafted file to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package espeak-ng to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 23.10

espeak-ng-espeak (Ubuntu package): before Ubuntu Pro

espeak-ng (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6858-1


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.

4) Buffer overflow

EUVDB-ID: #VU85017

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/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-2023-49993

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the ReadClause() function in readclause.c. A remote attacker can trick the victim to pass a specially crafted file to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package espeak-ng to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 23.10

espeak-ng-espeak (Ubuntu package): before Ubuntu Pro

espeak-ng (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6858-1


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.

5) Uncaught exception

EUVDB-ID: #VU85018

Risk: Low

CVSSv4.0: 1.2 [CVSS:4.0/AV:N/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-2023-49994

CWE-ID: CWE-248 - Uncaught Exception

Exploit availability: No

Description

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

The vulnerability exists due to a boundary error within the PeaksToHarmspect() function in wavegen.c. A remote attacker can trick the victim to pass a specially crafted file to the application and perform a denial of service (DoS) attack.

Mitigation

Update the affected package espeak-ng to the latest version.

Vulnerable software versions

Ubuntu: 18.04 - 23.10

espeak-ng-espeak (Ubuntu package): before Ubuntu Pro

espeak-ng (Ubuntu package): before Ubuntu Pro

CPE2.3 External links

https://ubuntu.com/security/notices/USN-6858-1


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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