An issue in the cp_bbs_sig function in relic/src/cp/relic_cp_bbs.c of Relic relic-toolkit…
Priority MEDIUM 42CWE-74Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- —
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA.
Summary
An issue in the cp_bbs_sig function in relic/src/cp/relic_cp_bbs.c of Relic relic-toolkit 0.6.0 allows a remote attacker to obtain sensitive information and escalate privileges via the cp_bbs_sig function.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00927 60th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:relic_project:relic:0.6.0:*:*:*:*:*:*:* | 0.6.0 | Vulnerable | Relic Project |
- cpe:2.3:a:relic_project:relic:0.6.0:*:*:*:*:*:*:* Versions 0.6.0 Vulnerable ·Relic Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2023-51939
- 2026-10-03 Alias added: GHSA-pvg3-4m54-rhwj
References
More Relic Project Relic vulnerabilities
- TI-2023-18210 Integer Overflow vulnerability in RELIC before commit… CVSS 3.1CRITICAL 9.8
- TI-2023-18209 Integer Overflow vulnerability in RELIC before commit… CVSS 3.1CRITICAL 9.8
- TI-2020-18599 In RELIC before 2021-04-03, there is a buffer overflow in PKCS#1 v1.5 signature… CVSS 3.1MEDIUM 5.5
- TI-2020-18598 In RELIC before 2020-08-01, RSA PKCS#1 v1.5 signature forgery can occur because certain… CVSS 3.1MEDIUM 5.3
Sources
- CVE-2023-51939 · CVE Program
- CVE-2023-51939 · NVD
- FIRST EPSS
- GHSA-pvg3-4m54-rhwj · GitHub Advisory Database · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences