Amazon Linux AMI update for curl



Risk Medium
Patch available YES
Number of vulnerabilities 3
CVE-ID CVE-2023-23914
CVE-2023-23915
CVE-2023-23916
CWE-ID CWE-319
CWE-770
Exploitation vector Network
Public exploit N/A
Vulnerable software
 Amazon Linux AMI
Operating systems & Components / Operating system

curl
Operating systems & Components / Operating system package or component

Vendor Amazon Web Services

Security Bulletin

This security bulletin contains information about 3 vulnerabilities.

1) Cleartext transmission of sensitive information

EUVDB-ID: #VU72335

Risk: Medium

CVSSv4.0: 1.7 [CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-23914

CWE-ID: CWE-319 - Cleartext Transmission of Sensitive Information

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to state issues when handling multiple requests, which results in ignoring HSTS support. A remote attacker can perform MitM attack.

Mitigation

Update the affected packages:

aarch64:
    libcurl-debuginfo-7.88.0-1.amzn2023.0.1.aarch64
    libcurl-minimal-7.88.0-1.amzn2023.0.1.aarch64
    curl-minimal-7.88.0-1.amzn2023.0.1.aarch64
    curl-debuginfo-7.88.0-1.amzn2023.0.1.aarch64
    libcurl-7.88.0-1.amzn2023.0.1.aarch64
    curl-debugsource-7.88.0-1.amzn2023.0.1.aarch64
    libcurl-minimal-debuginfo-7.88.0-1.amzn2023.0.1.aarch64
    curl-7.88.0-1.amzn2023.0.1.aarch64
    curl-minimal-debuginfo-7.88.0-1.amzn2023.0.1.aarch64
    libcurl-devel-7.88.0-1.amzn2023.0.1.aarch64

src:
    curl-7.88.0-1.amzn2023.0.1.src

x86_64:
    curl-minimal-debuginfo-7.88.0-1.amzn2023.0.1.x86_64
    curl-debugsource-7.88.0-1.amzn2023.0.1.x86_64
    curl-debuginfo-7.88.0-1.amzn2023.0.1.x86_64
    libcurl-minimal-7.88.0-1.amzn2023.0.1.x86_64
    libcurl-debuginfo-7.88.0-1.amzn2023.0.1.x86_64
    curl-minimal-7.88.0-1.amzn2023.0.1.x86_64
    libcurl-minimal-debuginfo-7.88.0-1.amzn2023.0.1.x86_64
    curl-7.88.0-1.amzn2023.0.1.x86_64
    libcurl-7.88.0-1.amzn2023.0.1.x86_64
    libcurl-devel-7.88.0-1.amzn2023.0.1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

curl: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-114.html


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) Cleartext transmission of sensitive information

EUVDB-ID: #VU72336

Risk: Medium

CVSSv4.0: 2.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:N/SC:N/SI:N/SA:N/E:U/U:Green]

CVE-ID: CVE-2023-23915

CWE-ID: CWE-319 - Cleartext Transmission of Sensitive Information

Exploit availability: No

Description

The vulnerability allows a remote attacker to perform MitM attack.

The vulnerability exists due to state issues when handling multiple transfers in parallel, which results in ignoring HSTS support. A remote attacker can perform MitM attack.

Mitigation

Update the affected packages:

aarch64:
    libcurl-debuginfo-7.88.0-1.amzn2023.0.1.aarch64
    libcurl-minimal-7.88.0-1.amzn2023.0.1.aarch64
    curl-minimal-7.88.0-1.amzn2023.0.1.aarch64
    curl-debuginfo-7.88.0-1.amzn2023.0.1.aarch64
    libcurl-7.88.0-1.amzn2023.0.1.aarch64
    curl-debugsource-7.88.0-1.amzn2023.0.1.aarch64
    libcurl-minimal-debuginfo-7.88.0-1.amzn2023.0.1.aarch64
    curl-7.88.0-1.amzn2023.0.1.aarch64
    curl-minimal-debuginfo-7.88.0-1.amzn2023.0.1.aarch64
    libcurl-devel-7.88.0-1.amzn2023.0.1.aarch64

src:
    curl-7.88.0-1.amzn2023.0.1.src

x86_64:
    curl-minimal-debuginfo-7.88.0-1.amzn2023.0.1.x86_64
    curl-debugsource-7.88.0-1.amzn2023.0.1.x86_64
    curl-debuginfo-7.88.0-1.amzn2023.0.1.x86_64
    libcurl-minimal-7.88.0-1.amzn2023.0.1.x86_64
    libcurl-debuginfo-7.88.0-1.amzn2023.0.1.x86_64
    curl-minimal-7.88.0-1.amzn2023.0.1.x86_64
    libcurl-minimal-debuginfo-7.88.0-1.amzn2023.0.1.x86_64
    curl-7.88.0-1.amzn2023.0.1.x86_64
    libcurl-7.88.0-1.amzn2023.0.1.x86_64
    libcurl-devel-7.88.0-1.amzn2023.0.1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

curl: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-114.html


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) Allocation of Resources Without Limits or Throttling

EUVDB-ID: #VU72337

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-2023-23916

CWE-ID: CWE-770 - Allocation of Resources Without Limits or Throttling

Exploit availability: No

Description

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

The vulnerability exists due to incorrect implementation of the "chained" HTTP compression algorithms, where the number of links in the decompression chain was limited for each header instead of the entire request. A remote attacker can send a specially crafted compressed HTTP request with numerous headers and perform a denial of service (DoS) attack.

Mitigation

Update the affected packages:

aarch64:
    libcurl-debuginfo-7.88.0-1.amzn2023.0.1.aarch64
    libcurl-minimal-7.88.0-1.amzn2023.0.1.aarch64
    curl-minimal-7.88.0-1.amzn2023.0.1.aarch64
    curl-debuginfo-7.88.0-1.amzn2023.0.1.aarch64
    libcurl-7.88.0-1.amzn2023.0.1.aarch64
    curl-debugsource-7.88.0-1.amzn2023.0.1.aarch64
    libcurl-minimal-debuginfo-7.88.0-1.amzn2023.0.1.aarch64
    curl-7.88.0-1.amzn2023.0.1.aarch64
    curl-minimal-debuginfo-7.88.0-1.amzn2023.0.1.aarch64
    libcurl-devel-7.88.0-1.amzn2023.0.1.aarch64

src:
    curl-7.88.0-1.amzn2023.0.1.src

x86_64:
    curl-minimal-debuginfo-7.88.0-1.amzn2023.0.1.x86_64
    curl-debugsource-7.88.0-1.amzn2023.0.1.x86_64
    curl-debuginfo-7.88.0-1.amzn2023.0.1.x86_64
    libcurl-minimal-7.88.0-1.amzn2023.0.1.x86_64
    libcurl-debuginfo-7.88.0-1.amzn2023.0.1.x86_64
    curl-minimal-7.88.0-1.amzn2023.0.1.x86_64
    libcurl-minimal-debuginfo-7.88.0-1.amzn2023.0.1.x86_64
    curl-7.88.0-1.amzn2023.0.1.x86_64
    libcurl-7.88.0-1.amzn2023.0.1.x86_64
    libcurl-devel-7.88.0-1.amzn2023.0.1.x86_64

Vulnerable software versions

Amazon Linux AMI: All versions

curl: All versions

CPE2.3 External links

https://alas.aws.amazon.com/AL2023/ALAS-2023-114.html


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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