CVE-2022-4603 – ppp pppdump pppdump.c dumpppp array index
https://notcve.org/view.php?id=CVE-2022-4603
A vulnerability classified as problematic has been found in ppp. Affected is the function dumpppp of the file pppdump/pppdump.c of the component pppdump. The manipulation of the argument spkt.buf/rpkt.buf leads to improper validation of array index. The real existence of this vulnerability is still doubted at the moment. The name of the patch is a75fb7b198eed50d769c80c36629f38346882cbf. • https://github.com/ppp-project/ppp/commit/a75fb7b198eed50d769c80c36629f38346882cbf https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/J43NP7ABHOCIWOFHWCH6ZCZOYKZH6723 https://vuldb.com/?id.216198 • CWE-119: Improper Restriction of Operations within the Bounds of a Memory Buffer •
CVE-2020-15704 – pppd arbitrary file read information disclosure vulnerability
https://notcve.org/view.php?id=CVE-2020-15704
The modprobe child process in the ./debian/patches/load_ppp_generic_if_needed patch file incorrectly handled module loading. A local non-root attacker could exploit the MODPROBE_OPTIONS environment variable to read arbitrary root files. Fixed in 2.4.5-5ubuntu1.4, 2.4.5-5.1ubuntu2.3+esm2, 2.4.7-1+2ubuntu1.16.04.3, 2.4.7-2+2ubuntu1.3, 2.4.7-2+4.1ubuntu5.1, 2.4.7-2+4.1ubuntu6. Was ZDI-CAN-11504. • https://ubuntu.com/security/notices/USN-4451-1 https://ubuntu.com/security/notices/USN-4451-2 • CWE-20: Improper Input Validation CWE-200: Exposure of Sensitive Information to an Unauthorized Actor •
CVE-2004-1002
https://notcve.org/view.php?id=CVE-2004-1002
Integer underflow in pppd in cbcp.c for ppp 2.4.1 allows remote attackers to cause a denial of service (daemon crash) via a CBCP packet with an invalid length value that causes pppd to access an incorrect memory location. • http://www.securityfocus.com/archive/1/379450 https://exchange.xforce.ibmcloud.com/vulnerabilities/17874 https://www.ubuntu.com/usn/usn-12-1 • CWE-191: Integer Underflow (Wrap or Wraparound) •