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CVE-2023-2603

Status Candidate

Overview

A vulnerability was found in libcap. This issue occurs in the _libcap_strdup() function and can lead to an integer overflow if the input string is close to 4GiB.

Related Files

Ubuntu Security Notice USN-6166-2
Posted Jun 19, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6166-2 - USN-6166-1 fixed a vulnerability in libcap2. This update provides the corresponding update for Ubuntu 14.04 ESM, Ubuntu 16.04 ESM and Ubuntu 18.04 ESM. Richard Weinberger discovered that libcap2 incorrectly handled certain long input strings. An attacker could use this issue to cause libcap2 to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2023-2603
SHA-256 | 9d3ef7276e2ceeb88a0d8282a8238d902c361649bf8b40434cc484189e0d822b
Ubuntu Security Notice USN-6166-1
Posted Jun 16, 2023
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 6166-1 - David Gstir discovered that libcap2 incorrectly handled certain return codes. An attacker could possibly use this issue to cause libcap2 to consume memory, leading to a denial of service. Richard Weinberger discovered that libcap2 incorrectly handled certain long input strings. An attacker could use this issue to cause libcap2 to crash, resulting in a denial of service, or possibly execute arbitrary code.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2023-2602, CVE-2023-2603
SHA-256 | e5e11d8bbbca2ee32ff2c328b7249a865d0d9cd09c74c0987752d1769a77e319
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