Multiple vulnerabilities in espeak-ng

Published: 2024-01-05

Risk	Low
Patch available	NO
Number of vulnerabilities	5
CVE-ID	CVE-2023-49994 CVE-2023-49993 CVE-2023-49992 CVE-2023-49991 CVE-2023-49990
CWE-ID	CWE-248 CWE-119 CWE-121
Exploitation vector	Network
Public exploit	N/A
Vulnerable software Subscribe	espeak-ng Other software / Other software solutions
Vendor	espeak-ng

Security Bulletin

This security bulletin contains information about 5 vulnerabilities.

1) Uncaught exception

EUVDB-ID: #VU85018

Risk: Low

CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:U/RC:C]

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

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

espeak-ng: 1.46.06 - 1.51.1

External links

http://github.com/espeak-ng/espeak-ng/issues/1823

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) Buffer overflow

EUVDB-ID: #VU85017

Risk: Low

CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:U/RC:C]

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

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

espeak-ng: 1.46.06 - 1.51.1

External links

http://github.com/espeak-ng/espeak-ng/issues/1826

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

CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:U/RC:C]

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

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

espeak-ng: 1.46.06 - 1.51.1

External links

http://github.com/espeak-ng/espeak-ng/issues/1827

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) Stack-based buffer overflow

EUVDB-ID: #VU85015

Risk: Low

CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:U/RC:C]

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

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

espeak-ng: 1.46.06 - 1.51.1

External links

http://github.com/espeak-ng/espeak-ng/issues/1825

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) Buffer overflow

EUVDB-ID: #VU85013

Risk: Low

CVSSv3.1: 4 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:U/RC:C]

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

Cybersecurity Help is currently unaware of any official solution to address this vulnerability.

Vulnerable software versions

espeak-ng: 1.46.06 - 1.51.1

External links

http://github.com/espeak-ng/espeak-ng/issues/1824

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.