NULL Pointer Dereference Affecting nasm package, versions <2.13.02-0.1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
1.37% (71st percentile)

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  • Snyk IDSNYK-DEBIAN10-NASM-371484
  • published21 Dec 2017
  • disclosed21 Dec 2017

Introduced: 21 Dec 2017

CVE-2017-17819  (opens in a new tab)
CWE-476  (opens in a new tab)

How to fix?

Upgrade Debian:10 nasm to version 2.13.02-0.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream nasm package and not the nasm package as distributed by Debian. See How to fix? for Debian:10 relevant fixed versions and status.

In Netwide Assembler (NASM) 2.14rc0, there is an illegal address access in the function find_cc() in asm/preproc.c that will cause a remote denial of service attack, because pointers associated with skip_white_ calls are not validated.