VulnerabilityModified
CVE-2018-19215
Netwide Assembler (NASM) 2.14rc16 has a heap-based buffer over-read in expand_mmac_params in asm/preproc.c for the special cases of the % and $ and ! characters.
HIGH 7.8EPSS 1.24%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (1.24%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
Netwide Assembler (NASM) 2.14rc16 has a heap-based buffer over-read in expand_mmac_params in asm/preproc.c for the special cases of the % and $ and ! characters.
- CVSS 3.0
- 7.8 HIGHCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 1.24% probability · 68th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-125
- Affected
- nasm/netwide assembler · redhat/enterprise linux
- Source
- cve@mitre.org
References
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00017.html
- https://bugzilla.nasm.us/show_bug.cgi?id=3392525Exploit, Issue Tracking
- https://repo.or.cz/nasm.git/commit/4b5b737d4991578b1918303dc0fd9c9ab5c7ce4fThird Party Advisory
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00015.html
- http://lists.opensuse.org/opensuse-security-announce/2020-07/msg00017.html
- https://bugzilla.nasm.us/show_bug.cgi?id=3392525Exploit, Issue Tracking
- https://repo.or.cz/nasm.git/commit/4b5b737d4991578b1918303dc0fd9c9ab5c7ce4fThird Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.