VulnerabilityModified
CVE-2020-15007
A buffer overflow in the M_LoadDefaults function in m_misc.c in id Tech 1 (aka Doom engine) allows arbitrary code execution via an unsafe usage of fscanf, because it does not limit the number of characters to be read in a format argument.
CRITICAL 9.8EPSS 2.30%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.30%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A buffer overflow in the M_LoadDefaults function in m_misc.c in id Tech 1 (aka Doom engine) allows arbitrary code execution via an unsafe usage of fscanf, because it does not limit the number of characters to be read in a format argument.
- CVSS 3.1
- 9.8 CRITICALCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
- EPSS
- 2.30% probability · 82th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-120
- Affected
- idsoftware/tech 1 · doom vanille project/doom vanille
- Source
- cve@mitre.org
References
- https://github.com/AXDOOMER/doom-vanille/commit/8a6d9a02fa991a91ff90ccdc73b5ceabaa6cb9ecPatch, Third Party Advisory
- https://twitter.com/notrevenant/status/1268654123903340544Third Party Advisory
- https://github.com/AXDOOMER/doom-vanille/commit/8a6d9a02fa991a91ff90ccdc73b5ceabaa6cb9ecPatch, Third Party Advisory
- https://twitter.com/notrevenant/status/1268654123903340544Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.