Bug 2255230 (CVE-2022-4603) - CVE-2022-4603 ppp: improper validation of array index of the component pppdump
Summary: CVE-2022-4603 ppp: improper validation of array index of the component pppdump
Keywords:
Status: NEW
Alias: CVE-2022-4603
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
medium
medium
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2255231
Blocks: 2255234
TreeView+ depends on / blocked
 
Reported: 2023-12-19 12:21 UTC by Marian Rehak
Modified: 2024-01-02 16:13 UTC (History)
1 user (show)

Fixed In Version: ppp 2.5.0
Doc Type: If docs needed, set a value
Doc Text:
A potential buffer overflow vulnerability was found in ppp. This issue occurs via manipulation of the spkt.buf/rpkt.buf argument, which may cause a crash.
Clone Of:
Environment:
Last Closed:
Embargoed:

Attachments (Terms of Use)

Description Marian Rehak 2023-12-19 12:21:55 UTC 
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. It is recommended to apply a patch to fix this issue. VDB-216198 is the identifier assigned to this vulnerability. NOTE: pppdump is not used in normal process of setting up a PPP connection, is not installed setuid-root, and is not invoked automatically in any scenario.

https://vuldb.com/?id.216198
https://github.com/ppp-project/ppp/commit/a75fb7b198eed50d769c80c36629f38346882cbf
Comment 1 Marian Rehak 2023-12-19 12:22:09 UTC 
Created ppp tracking bugs for this issue:

Affects: fedora-38 [bug 2255231]
Note You need to log in before you can comment on or make changes to this bug.