CVE-2024-28102
CVE-2024-28102 is a medium-severity vulnerability in Latchset Jwcrypto with a CVSS 3.x base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-770.
Key facts
- Severity: Medium (CVSS 3.x base score 6.8)
- EPSS exploit prediction: 1% (58th percentile)
- Actively exploited: Not listed in CISA KEV
- EU (EUVD) id: EUVD-2024-0946
- Weakness: CWE-770
- Affected product: Latchset Jwcrypto
- Published:
- Last modified:
Description
JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to version 1.5.6, an attacker can cause a denial of service attack by passing in a malicious JWE Token with a high compression ratio. When the server processes this token, it will consume a lot of memory and processing time. Version 1.5.6 fixes this vulnerability by limiting the maximum token length.
Frequently asked questions
- What is CVE-2024-28102?
- JWCrypto implements JWK, JWS, and JWE specifications using python-cryptography. Prior to version 1.5.6, an attacker can cause a denial of service attack by passing in a malicious JWE Token with a high compression ratio. When the server processes this token, it will consume a lot of memory and processing time. Version 1.5.6 fixes this vulnerability by limiting the maximum token length.
- How severe is CVE-2024-28102?
- CVE-2024-28102 has a CVSS 3.x base score of 6.8, rated medium severity. It is exploitable over network with low attack complexity, requires high privileges and no user interaction. Impact on confidentiality is none, integrity none, and availability high.
- Is CVE-2024-28102 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (58th percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2024-28102?
- CVE-2024-28102 primarily affects Latchset Jwcrypto. In total, 2 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2024-28102?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- Does CVE-2024-28102 have an EU (EUVD) identifier?
- Yes. CVE-2024-28102 is tracked in the ENISA EU Vulnerability Database (EUVD) as EUVD-2024-0946.
- When was CVE-2024-28102 published?
- CVE-2024-28102 was published on 2024-03-21 and last updated on 2026-06-17.
References
- https://github.com/latchset/jwcrypto/commit/90477a3b6e73da69740e00b8161f53fea19b831f
- https://github.com/latchset/jwcrypto/security/advisories/GHSA-j857-7rvv-vj97
- https://lists.debian.org/debian-lts-announce/2024/09/msg00026.html
- https://www.vicarius.io/vsociety/posts/denial-of-service-vulnerability-discovered-in-jwcrypto-cve-2024-28102-28103
Affected products (2)
- cpe:2.3:a:latchset:jwcrypto:*:*:*:*:*:*:*:*
- cpe:2.3:o:debian:debian_linux:11.0:*:*:*:*:*:*:*
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