Debian update for firefox-esr



Published: 2023-05-11
Risk High
Patch available YES
Number of vulnerabilities 7
CVE-ID CVE-2023-32205
CVE-2023-32206
CVE-2023-32207
CVE-2023-32211
CVE-2023-32212
CVE-2023-32213
CVE-2023-32215
CWE-ID CWE-451
CWE-125
CWE-254
CWE-843
CWE-119
Exploitation vector Network
Public exploit N/A
Vulnerable software
Subscribe 		Debian Linux
Operating systems & Components / Operating system

firefox-esr (Debian package)
Operating systems & Components / Operating system package or component

Vendor Debian

Security Bulletin

This security bulletin contains information about 7 vulnerabilities.

1) Spoofing attack

EUVDB-ID: #VU75874

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-32205

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can obscure browser prompts and perform spoofing attack.

Mitigation

Update firefox-esr package to version 102.11.0esr-1~deb11u1.

Vulnerable software versions

Debian Linux: All versions

firefox-esr (Debian package): before 102.11.0esr-1~deb11u1

External links

http://www.debian.org/security/2023/dsa-5400


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) Out-of-bounds read

EUVDB-ID: #VU75875

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-32206

CWE-ID: CWE-125 - Out-of-bounds read

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 condition in the RLBox Expat driver. A remote attacker can trick the victim to open a specially crafted website, trigger an out-of-bounds read error and crash the browser.

Mitigation

Update firefox-esr package to version 102.11.0esr-1~deb11u1.

Vulnerable software versions

Debian Linux: All versions

firefox-esr (Debian package): before 102.11.0esr-1~deb11u1

External links

http://www.debian.org/security/2023/dsa-5400


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) Security features bypass

EUVDB-ID: #VU75876

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-32207

CWE-ID: CWE-254 - Security Features

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform clickjacking attack.

The vulnerability exists due to a missing delay in popup notifications. A remote attacker can trick a victim into granting permissions.

Mitigation

Update firefox-esr package to version 102.11.0esr-1~deb11u1.

Vulnerable software versions

Debian Linux: All versions

firefox-esr (Debian package): before 102.11.0esr-1~deb11u1

External links

http://www.debian.org/security/2023/dsa-5400


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) Type Confusion

EUVDB-ID: #VU75880

Risk: Low

CVSSv3.1: 3.8 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-32211

CWE-ID: CWE-843 - Type confusion

Exploit availability: No

Description

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

The vulnerability exists due to a type confusion error when processing HTML content. A remote attacker can trick the victim to open a specially crafted website, trigger a type confusion error and crash the browser.

Mitigation

Update firefox-esr package to version 102.11.0esr-1~deb11u1.

Vulnerable software versions

Debian Linux: All versions

firefox-esr (Debian package): before 102.11.0esr-1~deb11u1

External links

http://www.debian.org/security/2023/dsa-5400


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) Spoofing attack

EUVDB-ID: #VU75881

Risk: Medium

CVSSv3.1: 4.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-32212

CWE-ID: CWE-451 - User Interface (UI) Misrepresentation of Critical Information (Clickjacking, spoofing)

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform spoofing attack.

The vulnerability exists due to incorrect processing of user-supplied data. A remote attacker can spoof the address bar using the datalist element.

Mitigation

Update firefox-esr package to version 102.11.0esr-1~deb11u1.

Vulnerable software versions

Debian Linux: All versions

firefox-esr (Debian package): before 102.11.0esr-1~deb11u1

External links

http://www.debian.org/security/2023/dsa-5400


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.

6) Buffer overflow

EUVDB-ID: #VU75882

Risk: Medium

CVSSv3.1: 6.5 [CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-32213

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error within FileReader::DoReadData() when reading a file. A remote attacker can trigger memory corruption and execute arbitrary code on the target system.

Mitigation

Update firefox-esr package to version 102.11.0esr-1~deb11u1.

Vulnerable software versions

Debian Linux: All versions

firefox-esr (Debian package): before 102.11.0esr-1~deb11u1

External links

http://www.debian.org/security/2023/dsa-5400


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.

7) Buffer overflow

EUVDB-ID: #VU75884

Risk: High

CVSSv3.1: 7.7 [CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C]

CVE-ID: CVE-2023-32215

CWE-ID: CWE-119 - Memory corruption

Exploit availability: No

Description

The vulnerability allows a remote attacker to execute arbitrary code on the target system.

The vulnerability exists due to a boundary error when processing HTML content. A remote attacker can trick the victim to open a specially crafted website, trigger memory corruption and execute arbitrary code on the target system.

Successful exploitation of this vulnerability may result in complete compromise of vulnerable system.

Mitigation

Update firefox-esr package to version 102.11.0esr-1~deb11u1.

Vulnerable software versions

Debian Linux: All versions

firefox-esr (Debian package): before 102.11.0esr-1~deb11u1

External links

http://www.debian.org/security/2023/dsa-5400


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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