CVE-2020-8597

CVE-2020-8597 ppp 2.4.2부터 2.4.8까지의 pppd에 있는 eap.c 파일은 eaprequest 및 eapresponse 함수에 rhostname 버퍼 오버플로우가 존재합니다. "EAP: unauthenticated peer name"을 충분히 길게 얻으면 내 클라이언트는 255로 제한하는 것 같지만, 버퍼 오버플로우를 수행할 수 있습니다. 여전히 Stack Canaries를 우회해야 하므로, 충돌crash이 가장 가능성이 높습니다. RELRO STACK CANARY NX PIE RPATH RUNPATH...

Point-to-Point-Protocol-Daemon-RCE-Vulnerability-CVE-2020-8597-

Point-to-Point-Protocol-Daemon-RCE-취약점-CVE-2020-8597- 스리랑카 정보기술 연구소 과제 1 M. P. D. M. Dias IT19165530 MLBWDY2S113.1 지점간 프로토콜 데몬 RCE 취약점 CVE-2020-8597 시스템 및 네트워크 프로그래밍– IE2012 목차 1. 소개 2. 취약점 발견자 참조 3. 발견 방법 4. 발견 시기 5. 초래할 수 있는 피해 6. 공격 기술 7. 선택한 공격 방법 8. 익스플로잇 스크린샷 9. 결론 10. 참고문헌 소개 지점간 프로토콜PPP은...

codeql-buffer-overflow-variant

codeql-buffer-overflow-variant pppd の関数名、呼び出し深度、ディスパッチ構造を一切共有しないプログラムにおいて、CVE-2020-8597 — pppd EAP の rhostname スタックバッファオーバーフロー CWE-120 — の バグクラス を再現する、意図的に脆弱な約170行の C プログラム。CodeQL 静的解析ターゲット として使用される。 目的は汎用性テスト である。pppd のバグを捕捉するために書かれた CodeQL...

DEBIAN-CVE-2026-91838

A flaw was found in NetworkManager-sstp, the SSTP VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by embedding special characters, known as shell metacharacters, into VPN connection profile fields such as CA certificate or proxy settings. These unescaped...

CVE-2026-91838

A flaw was found in NetworkManager-sstp, the SSTP VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by embedding special characters, known as shell metacharacters, into VPN connection profile fields such as CA certificate or proxy settings. These unescaped...

CVE-2026-91838

A flaw was found in NetworkManager-sstp, the SSTP VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by embedding special characters, known as shell metacharacters, into VPN connection profile fields such as CA certificate or proxy settings. These unescaped...

UBUNTU-CVE-2026-91838

A flaw was found in NetworkManager-sstp, the SSTP VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by embedding special characters, known as shell metacharacters, into VPN connection profile fields such as CA certificate or proxy settings. These unescaped...

CVE-2026-91838

A flaw in NetworkManager-sstp , the SSTP VPN plugin for NetworkManager, allows a local unprivileged user to achieve local privilege escalation to root. An attacker can embed shell metacharacters into VPN connection profile fields, such as proxy settings or CA certificates. Because these unescaped...

CVE-2026-91838 Networkmanager-sstp: networkmanager-sstp: local privilege escalation to root via shell injection in vpn profile fields

A flaw was found in NetworkManager-sstp, the SSTP VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by embedding special characters, known as shell metacharacters, into VPN connection profile fields such as CA certificate or proxy settings. These unescaped...

CVE-2026-91838 Networkmanager-sstp: networkmanager-sstp: local privilege escalation to root via shell injection in vpn profile fields

A flaw was found in NetworkManager-sstp, the SSTP VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by embedding special characters, known as shell metacharacters, into VPN connection profile fields such as CA certificate or proxy settings. These unescaped...

EUVD-2026-87248

A flaw was found in NetworkManager-sstp, the SSTP VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by embedding special characters, known as shell metacharacters, into VPN connection profile fields such as CA certificate or proxy settings. These unescaped...

CVE-2026-91838

A flaw was found in NetworkManager-sstp, the SSTP VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by embedding special characters, known as shell metacharacters, into VPN connection profile fields such as CA certificate or proxy settings. These unescaped...

OESA-2026-4118 ppp security update

The Point-to-Point Protocol PPP provides a standard way to establish a network connection over a serial link. At present, this package supports IP and IPV6 and the protocols layered above them, such as TCP and UDP. The Linux port of this package also has support for IPX. Security Fixes: The code ...

OESA-2026-4116 ppp security update

The Point-to-Point Protocol PPP provides a standard way to establish a network connection over a serial link. At present, this package supports IP and IPV6 and the protocols layered above them, such as TCP and UDP. The Linux port of this package also has support for IPX. Security Fixes: The code ...

OESA-2026-4117 ppp security update

The Point-to-Point Protocol PPP provides a standard way to establish a network connection over a serial link. At present, this package supports IP and IPV6 and the protocols layered above them, such as TCP and UDP. The Linux port of this package also has support for IPX. Security Fixes: The code ...

CVE-2026-91838: Improper Neutralization of Special Elements used in an OS Command

A flaw was found in NetworkManager-sstp, the SSTP VPN plugin for NetworkManager. A local unprivileged user can exploit this vulnerability by embedding special characters, known as shell metacharacters, into VPN connection profile fields such as CA certificate or proxy settings. These unescaped...

CVE-2026-75131

NetworkManager-l2tp through 1.52.4, fixed in 1.52.6, contains a privilege escalation vulnerability that allows local users with permission to create VPN connections to execute arbitrary code as root by injecting pppd options through a crafted VPN username. Attackers can embed a double-quote...

DEBIAN-CVE-2026-75131

NetworkManager-l2tp through 1.52.4, fixed in 1.52.6, contains a privilege escalation vulnerability that allows local users with permission to create VPN connections to execute arbitrary code as root by injecting pppd options through a crafted VPN username. Attackers can embed a double-quote...

CVE-2026-75131

A flaw was found in NetworkManager-l2tp. This privilege escalation vulnerability allows local users, who have permissions to create VPN connections, to execute arbitrary code as root. This is achieved by injecting options into the pppd Point-to-Point Protocol Daemon through a specially crafted VP...

CVE-2026-75131

The NetworkManager-l2tp software (through version 1.52.4) contains a privilege escalation vulnerability. A local user with permissions to create VPN connections can execute arbitrary code as root by injecting pppd options via a crafted VPN username. By embedding a double-quote character or whites...