Buffer Overflow via crafted client request in Accel-PPP v1.12
Priority MEDIUM 45CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
The telnet_input_char function in opt/src/accel-pppd/cli/telnet.c suffers from a memory corruption vulnerability, whereby user input cmdline_len is copied into a fixed buffer b->buf without any bound checks. If the server connects with a malicious client, crafted client requests can remotely trigger this vulnerability.
Why it matters now
EPSS 0.01235 69th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| https://accel-ppp.org/ | Accel-PPP | 1.12 – 1.12 | — | No fix listed | CNA |
- Accel-PPP Vendorhttps://accel-ppp.org/ Affected 1.12 – 1.12 Fixed in — No fix listed CNA
CPE configurations NVD · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:accel-ppp:accel-ppp:*:*:*:*:*:*:*:* | up to 1.12.0 | Vulnerable | https://accel-ppp.org/ |
- cpe:2.3:a:accel-ppp:accel-ppp:*:*:*:*:*:*:*:* Versions up to 1.12.0 Vulnerable ·https://accel-ppp.org/
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-0982
- 2026-10-03 Alias added: GHSA-fhfp-8rrc-g4rw
References
More https://accel-ppp.org/ Accel-ppp vulnerabilities
- TI-2020-17131 Variable underflow exists in accel-ppp radius/packet.c when receiving a RADIUS… CVSS 3.1CRITICAL 9.8
- TI-2022-08520 Buffer Overflow via Crafted Ipv6 Prefix Attribute Type Client Request in accel-ppp v1.12 CVSS 3.1CRITICAL 9.8
- TI-2022-08519 Buffer Overflow via Crafted IPv6 Addr Attribute Type Client Request in Accel-PPP v1.12 CVSS 3.1CRITICAL 9.8
- TI-2020-11945 Heap buffer overflow in ACCEL-PPP CVSS 3.1CRITICAL 9.8
- TI-2021-19024 ACCEL-PPP 1.12.0 has an out-of-bounds read in post_msg when processing a call_clear_request. CVSS 3.1HIGH 7.5
- TI-2021-18565 ACCEL-PPP 1.12.0 has an out-of-bounds read in triton_context_schedule if the client exits after authentication. CVSS 3.1HIGH 7.5
Sources
- CVE-2022-0982 · CVE Program
- CVE-2022-0982 · NVD
- FIRST EPSS
- GHSA-fhfp-8rrc-g4rw · GitHub Advisory Database · CC BY 4.0
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