{"document":{"aggregate_severity":{"namespace":"https://www.suse.com/support/security/rating/","text":"moderate"},"category":"csaf_vex","csaf_version":"2.0","distribution":{"text":"Copyright 2024 SUSE LLC. All rights reserved.","tlp":{"label":"WHITE","url":"https://www.first.org/tlp/"}},"lang":"en","notes":[{"category":"summary","text":"SUSE CVE-2023-4256","title":"Title"},{"category":"description","text":"Within tcpreplay's tcprewrite, a double free vulnerability has been identified in the tcpedit_dlt_cleanup() function within plugins/dlt_plugins.c. This vulnerability can be exploited by supplying a specifically crafted file to the tcprewrite binary. This flaw enables a local attacker to initiate a Denial of Service (DoS) attack.","title":"Description of the CVE"},{"category":"legal_disclaimer","text":"CSAF 2.0 data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0).","title":"Terms of use"}],"publisher":{"category":"vendor","contact_details":"https://www.suse.com/support/security/contact/","name":"SUSE Product Security Team","namespace":"https://www.suse.com/"},"references":[{"category":"external","summary":"CVE-2023-4256","url":"https://www.suse.com/security/cve/CVE-2023-4256"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1218249 for CVE-2023-4256","url":"https://bugzilla.suse.com/1218249"}],"title":"SUSE CVE CVE-2023-4256","tracking":{"current_release_date":"2025-11-29T00:50:06Z","generator":{"date":"2023-12-21T02:26:45Z","engine":{"name":"cve-database.git:bin/generate-csaf-vex.pl","version":"1"}},"id":"CVE-2023-4256","initial_release_date":"2023-12-21T02:26:45Z","revision_history":[{"date":"2023-12-21T02:26:45Z","number":"2","summary":"Current version"},{"date":"2025-01-01T02:26:37Z","number":"3","summary":"Current version"},{"date":"2025-02-14T06:53:36Z","number":"4","summary":"Current version"},{"date":"2025-02-16T06:44:31Z","number":"5","summary":"Current version"},{"date":"2025-11-25T00:50:58Z","number":"6","summary":"Current version"},{"date":"2025-11-29T00:50:06Z","number":"7","summary":"Current version"}],"status":"interim","version":"7"}},"product_tree":{"branches":[{"branches":[{"branches":[{"category":"product_name","name":"SUSE Package Hub 15 SP6","product":{"name":"SUSE Package Hub 15 SP6","product_id":"SUSE Package Hub 15 SP6"}},{"category":"product_name","name":"openSUSE Leap 15.6","product":{"name":"openSUSE Leap 15.6","product_id":"openSUSE Leap 15.6","product_identification_helper":{"cpe":"cpe:/o:opensuse:leap:15.6"}}},{"category":"product_name","name":"openSUSE Leap 16.0","product":{"name":"openSUSE Leap 16.0","product_id":"openSUSE Leap 16.0"}},{"category":"product_version","name":"tcpreplay-4.5.2-bp156.2.3.1","product":{"name":"tcpreplay-4.5.2-bp156.2.3.1","product_id":"tcpreplay-4.5.2-bp156.2.3.1","product_identification_helper":{"cpe":"cpe:2.3:a:appneta:tcpreplay:4.5.2:*:*:*:*:*:*:*","purl":"pkg:rpm/suse/tcpreplay@4.5.2-bp156.2.3.1"}}},{"category":"product_version","name":"tcpreplay-4.5.2-bp160.1.1","product":{"name":"tcpreplay-4.5.2-bp160.1.1","product_id":"tcpreplay-4.5.2-bp160.1.1","product_identification_helper":{"cpe":"cpe:2.3:a:appneta:tcpreplay:4.5.2:*:*:*:*:*:*:*","purl":"pkg:rpm/suse/tcpreplay@4.5.2-bp160.1.1"}}}],"category":"product_family","name":"SUSE Linux Enterprise"}],"category":"vendor","name":"SUSE"}],"relationships":[{"category":"default_component_of","full_product_name":{"name":"tcpreplay-4.5.2-bp156.2.3.1 as component of SUSE Package Hub 15 SP6","product_id":"SUSE Package Hub 15 SP6:tcpreplay-4.5.2-bp156.2.3.1"},"product_reference":"tcpreplay-4.5.2-bp156.2.3.1","relates_to_product_reference":"SUSE Package Hub 15 SP6"},{"category":"default_component_of","full_product_name":{"name":"tcpreplay-4.5.2-bp156.2.3.1 as component of openSUSE Leap 15.6","product_id":"openSUSE Leap 15.6:tcpreplay-4.5.2-bp156.2.3.1"},"product_reference":"tcpreplay-4.5.2-bp156.2.3.1","relates_to_product_reference":"openSUSE Leap 15.6"},{"category":"default_component_of","full_product_name":{"name":"tcpreplay-4.5.2-bp160.1.1 as component of openSUSE Leap 16.0","product_id":"openSUSE Leap 16.0:tcpreplay-4.5.2-bp160.1.1"},"product_reference":"tcpreplay-4.5.2-bp160.1.1","relates_to_product_reference":"openSUSE Leap 16.0"}]},"vulnerabilities":[{"cve":"CVE-2023-4256","ids":[{"system_name":"SUSE CVE Page","text":"https://www.suse.com/security/cve/CVE-2023-4256"}],"notes":[{"category":"general","text":"Within tcpreplay's tcprewrite, a double free vulnerability has been identified in the tcpedit_dlt_cleanup() function within plugins/dlt_plugins.c. This vulnerability can be exploited by supplying a specifically crafted file to the tcprewrite binary. This flaw enables a local attacker to initiate a Denial of Service (DoS) attack.","title":"CVE description"}],"product_status":{"recommended":["SUSE Package Hub 15 SP6:tcpreplay-4.5.2-bp156.2.3.1","openSUSE Leap 15.6:tcpreplay-4.5.2-bp156.2.3.1","openSUSE Leap 16.0:tcpreplay-4.5.2-bp160.1.1"]},"references":[{"category":"external","summary":"CVE-2023-4256","url":"https://www.suse.com/security/cve/CVE-2023-4256"},{"category":"external","summary":"SUSE Security Ratings","url":"https://www.suse.com/support/security/rating/"},{"category":"external","summary":"SUSE Bug 1218249 for CVE-2023-4256","url":"https://bugzilla.suse.com/1218249"}],"remediations":[{"category":"vendor_fix","details":"To install this SUSE Security Update use the SUSE recommended installation methods like YaST online_update or \"zypper patch\".\n","product_ids":["SUSE Package Hub 15 SP6:tcpreplay-4.5.2-bp156.2.3.1","openSUSE Leap 15.6:tcpreplay-4.5.2-bp156.2.3.1","openSUSE Leap 16.0:tcpreplay-4.5.2-bp160.1.1"]}],"scores":[{"cvss_v3":{"baseScore":5.5,"baseSeverity":"MEDIUM","vectorString":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"},"products":["SUSE Package Hub 15 SP6:tcpreplay-4.5.2-bp156.2.3.1","openSUSE Leap 15.6:tcpreplay-4.5.2-bp156.2.3.1","openSUSE Leap 16.0:tcpreplay-4.5.2-bp160.1.1"]}],"threats":[{"category":"impact","date":"2023-12-19T12:00:13Z","details":"moderate"}],"title":"CVE-2023-4256"}]}