PT-2020-17859 · Apnswift · Apnswift

Kylebrowning · Published 2020-06-22 · Updated 2020-06-30 · CVE-2020-4068

Positive Technologies (AI Summary)

CVSS v3.1

9.8

Critical

Base vector

AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Name of the Vulnerable Software and Affected Versions APNSwift version 1.0.0

Description The issue is related to a heap buffer overflow that can occur when calling the APNSwiftSigner.sign(digest:) function. This has been fixed in version 1.0.1.

Recommendations For APNSwift version 1.0.0, update to version 1.0.1 to resolve the issue. As a temporary workaround, consider avoiding the use of the APNSwiftSigner.sign(digest:) function until the update is applied.

Fix

Heap Based Buffer Overflow

Weakness Enumeration

CWE-122

Related Identifiers

CVE-2020-4068

GHSA-QH2W-VJXG-MJCG

Affected Products

Apnswift

References · 7

• https://github.com/kylebrowning/APNSwift/commit/97fa7f69dcdd89168fff84e0ba8f999881ee3d3f · Patch
• https://github.com/kylebrowning/APNSwift/security/advisories/GHSA-qh2w-vjxg-mjcg · Vendor Advisory
• https://osv.dev/vulnerability/CVE-2020-4068 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2020-4068 · Security Note
• https://github.com/kylebrowning/APNSwift/pull/32 · Note
• https://github.com/kylebrowning/APNSwift/issues/31 · Note
• https://t.me/cvenotify/4573 · Telegram Post