QID 355347

Date Published: 2023-06-07

QID 355347: Amazon Linux Security Advisory for libssh2 : ALAS-2023-1756

An out of bounds read flaw was discovered in libssh2 before 1.8.1 in the _libssh2_packet_require and _libssh2_packet_requirev functions.
A remote attacker who compromises a ssh server may be able to cause a denial of service or read data in the client memory. (
( CVE-2019-3859) an out of bounds read flaw was discovered in libssh2 before 1.8.1 in the way sftp packets with empty payloads are parsed.
( CVE-2019-3860)

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

Successful exploitation of this vulnerability could lead to a securitybreach or could affect integrity, availability, and confidentiality.

CVSS V3 rated as Critical - 9.1 severity.

CVSS V2 rated as High - 6.4 severity.

Solution

Please refer to Amazon advisory: ALAS-2023-1756 for affected packages and patching details, or update with your package manager.

Vendor References

ALAS-2023-1756 - alas.aws.amazon.com/ALAS-2023-1756.html

CVEs related to QID 355347

CVE-2019-3860 | CVE-2019-3859 |

Software Advisories

Advisory ID	Software	Component	Link
ALAS-2023-1756	amazon linux		alas.aws.amazon.com/ALAS-2023-1756.html

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