SB2021061208 - openEuler 20.03 LTS SP1 update for rpm

Description

This security bulletin contains information about 2 secuirty vulnerabilities.

1) Out-of-bounds read (CVE-ID: CVE-2021-20266)

The vulnerability allows a remote attacker to gain access to potentially sensitive information.

The vulnerability exists due to a boundary condition within the hdrblobInit() function in lib/header.c. A remote attacker can create a specially crafted file, trick the victim into opening it, trigger out-of-bounds read error and read contents of memory on the system.

2) Improper Verification of Cryptographic Signature (CVE-ID: CVE-2021-3421)

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

The vulnerability exists due to insufficient signature validation in the read functionality n the RPM package. A remote attacker can trick the victim into installing a seemingly verifiable package and cause RPM database corruption.

Remediation

Install update from vendor's website.

References

• https://www.openeuler.org/en/security/security-bulletins/detail/?id=openEuler-SA-2021-1223