Security Advisory

1) Improper input validation

Severity: Low

CVSSv3:
3.2 [CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID:
CVE-2020-2654

CWE-ID:
CWE-20 – Improper Input Validation

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The vulnerability exists due to improper input validation within the Libraries component in Java SE. A remote non-authenticated attacker can exploit this vulnerability to perform service disruption.

Mitigation

Update the affected package to version: 8u242-b08-1~deb9u1.

Vulnerable software versions

openjdk-8 (Debian package):
8u141-b15-1~deb9u1, 8u151-b12-1~deb9u1, 8u162-b12-1~deb9u1, 8u171-b11-1~deb9u1, 8u181-b13-1~deb9u1, 8u181-b13-2~deb9u1, 8u212-b01-1~deb9u1, 8u212-b03-2~deb9u1, 8u222-b10-1~deb9u1, 8u232-b09-1~deb9u1

CPE
External links

https://www.debian.org/security/2020/dsa-4621

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) Improper input validation

Severity: Low

CVSSv3:
3.2 [CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID:
CVE-2020-2659

CWE-ID:
CWE-20 – Improper Input Validation

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The vulnerability exists due to improper input validation within the Networking component in Java SE Embedded. A remote non-authenticated attacker can exploit this vulnerability to perform service disruption.

Mitigation

Update the affected package to version: 8u242-b08-1~deb9u1.

Vulnerable software versions

openjdk-8 (Debian package):
8u141-b15-1~deb9u1, 8u151-b12-1~deb9u1, 8u162-b12-1~deb9u1, 8u171-b11-1~deb9u1, 8u181-b13-1~deb9u1, 8u181-b13-2~deb9u1, 8u212-b01-1~deb9u1, 8u212-b03-2~deb9u1, 8u222-b10-1~deb9u1, 8u232-b09-1~deb9u1

CPE
External links

https://www.debian.org/security/2020/dsa-4621

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) Improper input validation

Severity: High

CVSSv3:
7.1 [CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H/E:U/RL:O/RC:C] [PCI]

CVE-ID:
CVE-2020-2604

CWE-ID:
CWE-20 – Improper Input Validation

Description

The vulnerability allows a remote non-authenticated attacker to execute arbitrary code.

The vulnerability exists due to improper input validation within the Java component in Oracle GraalVM Enterprise Edition. A remote non-authenticated attacker can exploit this vulnerability to execute arbitrary code.

Mitigation

Update the affected package to version: 8u242-b08-1~deb9u1.

Vulnerable software versions

openjdk-8 (Debian package):
8u141-b15-1~deb9u1, 8u151-b12-1~deb9u1, 8u162-b12-1~deb9u1, 8u171-b11-1~deb9u1, 8u181-b13-1~deb9u1, 8u181-b13-2~deb9u1, 8u212-b01-1~deb9u1, 8u212-b03-2~deb9u1, 8u222-b10-1~deb9u1, 8u232-b09-1~deb9u1

CPE
External links

https://www.debian.org/security/2020/dsa-4621

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) Improper input validation

Severity: Medium

CVSSv3:
5.9 [CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:N/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID:
CVE-2020-2601

CWE-ID:
CWE-20 – Improper Input Validation

Description

The vulnerability allows a remote non-authenticated attacker to gain access to sensitive information.

The vulnerability exists due to improper input validation within the Security component in Java SE Embedded. A remote non-authenticated attacker can exploit this vulnerability to gain access to sensitive information.

Mitigation

Update the affected package to version: 8u242-b08-1~deb9u1.

Vulnerable software versions

openjdk-8 (Debian package):
8u141-b15-1~deb9u1, 8u151-b12-1~deb9u1, 8u162-b12-1~deb9u1, 8u171-b11-1~deb9u1, 8u181-b13-1~deb9u1, 8u181-b13-2~deb9u1, 8u212-b01-1~deb9u1, 8u212-b03-2~deb9u1, 8u222-b10-1~deb9u1, 8u232-b09-1~deb9u1

CPE
External links

https://www.debian.org/security/2020/dsa-4621

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) Improper input validation

Severity: Low

CVSSv3:
3.2 [CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:L/A:N/E:U/RL:O/RC:C]

CVE-ID:
CVE-2020-2590

CWE-ID:
CWE-20 – Improper Input Validation

Description

The vulnerability allows a remote non-authenticated attacker to manipulate data.

The vulnerability exists due to improper input validation within the Security component in Java SE Embedded. A remote non-authenticated attacker can exploit this vulnerability to manipulate data.

Mitigation

Update the affected package to version: 8u242-b08-1~deb9u1.

Vulnerable software versions

openjdk-8 (Debian package):
8u141-b15-1~deb9u1, 8u151-b12-1~deb9u1, 8u162-b12-1~deb9u1, 8u171-b11-1~deb9u1, 8u181-b13-1~deb9u1, 8u181-b13-2~deb9u1, 8u212-b01-1~deb9u1, 8u212-b03-2~deb9u1, 8u222-b10-1~deb9u1, 8u232-b09-1~deb9u1

CPE
External links

https://www.debian.org/security/2020/dsa-4621

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) Improper input validation

Severity: Medium

CVSSv3:
4.2 [CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:L/I:L/A:N/E:U/RL:O/RC:C] [PCI]

CVE-ID:
CVE-2020-2593

CWE-ID:
CWE-20 – Improper Input Validation

Description

The vulnerability allows a remote non-authenticated attacker to read and manipulate data.

The vulnerability exists due to improper input validation within the Networking component in Java SE Embedded. A remote non-authenticated attacker can exploit this vulnerability to read and manipulate data.

Mitigation

Update the affected package to version: 8u242-b08-1~deb9u1.

Vulnerable software versions

openjdk-8 (Debian package):
8u141-b15-1~deb9u1, 8u151-b12-1~deb9u1, 8u162-b12-1~deb9u1, 8u171-b11-1~deb9u1, 8u181-b13-1~deb9u1, 8u181-b13-2~deb9u1, 8u212-b01-1~deb9u1, 8u212-b03-2~deb9u1, 8u222-b10-1~deb9u1, 8u232-b09-1~deb9u1

CPE
External links

https://www.debian.org/security/2020/dsa-4621

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) Improper input validation

Severity: Low

CVSSv3:
3.2 [CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L/E:U/RL:O/RC:C]

CVE-ID:
CVE-2020-2583

CWE-ID:
CWE-20 – Improper Input Validation

Description

The vulnerability allows a remote non-authenticated attacker to perform service disruption.

The vulnerability exists due to improper input validation within the Serialization component in Java SE Embedded. A remote non-authenticated attacker can exploit this vulnerability to perform service disruption.

Mitigation

Update the affected package to version: 8u242-b08-1~deb9u1.

Vulnerable software versions

openjdk-8 (Debian package):
8u141-b15-1~deb9u1, 8u151-b12-1~deb9u1, 8u162-b12-1~deb9u1, 8u171-b11-1~deb9u1, 8u181-b13-1~deb9u1, 8u181-b13-2~deb9u1, 8u212-b01-1~deb9u1, 8u212-b03-2~deb9u1, 8u222-b10-1~deb9u1, 8u232-b09-1~deb9u1

CPE
External links

https://www.debian.org/security/2020/dsa-4621

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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