SB2021020437 - openEuler update for nasm
Published: February 4, 2021
Security Bulletin ID
SB2021020437
Severity
High
Patch available
YES
Number of vulnerabilities
2
Exploitation vector
Remote access
Highest impact
Denial of service
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 2 secuirty vulnerabilities.
1) Out-of-bounds read (CVE-ID: CVE-2019-20352)
The vulnerability allows a remote non-authenticated attacker to #BASIC_IMPACT#.
In Netwide Assembler (NASM) 2.15rc0, a heap-based buffer over-read occurs (via a crafted .asm file) in set_text_free when called from expand_one_smacro in asm/preproc.c.
2) Use-after-free (CVE-ID: CVE-2020-24241)
The vulnerability allows a remote non-authenticated attacker to perform a denial of service (DoS) attack.
In Netwide Assembler (NASM) 2.15rc10, there is heap use-after-free in saa_wbytes in nasmlib/saa.c.
Remediation
Install update from vendor's website.