VulnerabilityModified
CVE-2021-21897
A code execution vulnerability exists in the DL_Dxf::handleLWPolylineData functionality of Ribbonsoft dxflib 3.17.0.
HIGH 8.8EPSS 2.89%
Does this matter?
High impact if exploited, but EPSS currently rates exploitation as unlikely (2.89%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit.
Description
A code execution vulnerability exists in the DL_Dxf::handleLWPolylineData functionality of Ribbonsoft dxflib 3.17.0. A specially-crafted .dxf file can lead to a heap buffer overflow. An attacker can provide a malicious file to trigger this vulnerability.
- CVSS 3.1
- 8.8 HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- EPSS
- 2.89% probability · 86th percentile
- CISA KEV
- Not listed
- Weakness
- CWE-191, CWE-787
- Affected
- ribbonsoft/dxflib · fedoraproject/extra packages for enterprise linux · fedoraproject/fedora · debian/debian linux
- Source
- talos-cna@cisco.com
References
- https://lists.debian.org/debian-lts-announce/2022/06/msg00008.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5BUOTYU3KKIYE4BEBUFA4MRS462P3OWM/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DA4C4X5GMM65VYLUW7Q7YL6P5NDB633A/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IMGMEPTYL7WTQ333J6SMC6MUHDMMWT3O/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L2H36XRMAPQBIOVIIFX6KUT5YOG2ETM6/
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1346Exploit, Third Party Advisory
- https://lists.debian.org/debian-lts-announce/2022/06/msg00008.htmlMailing List, Third Party Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/5BUOTYU3KKIYE4BEBUFA4MRS462P3OWM/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DA4C4X5GMM65VYLUW7Q7YL6P5NDB633A/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/IMGMEPTYL7WTQ333J6SMC6MUHDMMWT3O/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/L2H36XRMAPQBIOVIIFX6KUT5YOG2ETM6/
- https://talosintelligence.com/vulnerability_reports/TALOS-2021-1346Exploit, Third Party Advisory
Source: NVD record, EPSS from FIRST.org, KEV from CISA. Refreshed daily.