{"api_version":"1","generated_at":"2026-04-10T06:31:20+00:00","cve":"CVE-2023-1255","urls":{"html":"https://cve.report/CVE-2023-1255","api":"https://cve.report/api/cve/CVE-2023-1255.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2023-1255","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2023-1255"},"summary":{"title":"CVE-2023-1255","description":"Issue summary: The AES-XTS cipher decryption implementation for 64 bit ARM\nplatform contains a bug that could cause it to read past the input buffer,\nleading to a crash.\n\nImpact summary: Applications that use the AES-XTS algorithm on the 64 bit ARM\nplatform can crash in rare circumstances. The AES-XTS algorithm is usually\nused for disk encryption.\n\nThe AES-XTS cipher decryption implementation for 64 bit ARM platform will read\npast the end of the ciphertext buffer if the ciphertext size is 4 mod 5 in 16\nbyte blocks, e.g. 144 bytes or 1024 bytes. If the memory after the ciphertext\nbuffer is unmapped, this will trigger a crash which results in a denial of\nservice.\n\nIf an attacker can control the size and location of the ciphertext buffer\nbeing decrypted by an application using AES-XTS on 64 bit ARM, the\napplication is affected. This is fairly unlikely making this issue\na Low severity one.","state":"PUBLIC","assigner":"openssl-security@openssl.org","published_at":"2023-04-20 17:15:00","updated_at":"2023-09-08 17:15:00"},"problem_types":["CWE-125"],"metrics":[],"references":[{"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=02ac9c9420275868472f33b01def01218742b8bb","name":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=02ac9c9420275868472f33b01def01218742b8bb","refsource":"MISC","tags":[],"title":"git.openssl.org Git - openssl.git/commitdiff","mime":"text/xml","httpstatus":"200","archivestatus":"404"},{"url":"https://security.netapp.com/advisory/ntap-20230908-0006/","name":"https://security.netapp.com/advisory/ntap-20230908-0006/","refsource":"MISC","tags":[],"title":"CVE-2023-1255 OpenSSL Vulnerability in NetApp Products | NetApp Product Security","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.openssl.org/news/secadv/20230419.txt","name":"https://www.openssl.org/news/secadv/20230419.txt","refsource":"MISC","tags":[],"title":"/err404.html","mime":"text/html","httpstatus":"404","archivestatus":"404"},{"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=bc2f61ad70971869b242fc1cb445b98bad50074a","name":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=bc2f61ad70971869b242fc1cb445b98bad50074a","refsource":"MISC","tags":[],"title":"git.openssl.org Git - openssl.git/commitdiff","mime":"text/xml","httpstatus":"200","archivestatus":"404"},{"url":"http://www.openwall.com/lists/oss-security/2023/04/20/13","name":"http://www.openwall.com/lists/oss-security/2023/04/20/13","refsource":"MISC","tags":[],"title":"oss-security - OpenSSL Security Advisory","mime":"text/html","httpstatus":"200","archivestatus":"404"},{"url":"https://www.cve.org/CVERecord?id=CVE-2023-1255","name":"CVE Program record","refsource":"CVE.ORG","tags":["canonical"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2023-1255","name":"NVD vulnerability detail","refsource":"NVD","tags":["canonical","analysis"]}],"affected":[],"timeline":[],"solutions":[],"workarounds":[],"exploits":[],"credits":[],"nvd_cpes":[{"cve_year":"2023","cve_id":"1255","vulnerable":"1","versionEndIncluding":"","cpe1":"cpe","cpe2":"2.3","cpe3":"a","cpe4":"openssl","cpe5":"openssl","cpe6":"*","cpe7":"*","cpe8":"*","cpe9":"*","cpe10":"*","cpe11":"*","cpe12":"*","cpe13":"*"}],"vendor_comments":[],"enrichments":{"kev":null,"epss":null,"legacy_qids":[{"cve":"CVE-2023-1255","qid":"160752","title":"Oracle Enterprise Linux Security Update for Open Secure Sockets Layer (OpenSSL) (ELSA-2023-3722)"},{"cve":"CVE-2023-1255","qid":"184876","title":"Debian Security Update for Open Secure Sockets Layer (OpenSSL) (CVE-2023-1255)"},{"cve":"CVE-2023-1255","qid":"199379","title":"Ubuntu Security Notification for Open Secure Sockets Layer (OpenSSL) Vulnerabilities (USN-6119-1)"},{"cve":"CVE-2023-1255","qid":"241736","title":"Red Hat Update for Open Secure Sockets Layer (OpenSSL) (RHSA-2023:3722)"},{"cve":"CVE-2023-1255","qid":"355167","title":"Amazon Linux Security Advisory for Open Secure Sockets Layer (OpenSSL) : ALAS2023-2023-181"},{"cve":"CVE-2023-1255","qid":"379141","title":"SolarWinds Serv-U HTML Injection Vulnerability"},{"cve":"CVE-2023-1255","qid":"502981","title":"Alpine Linux Security Update for openssl3"},{"cve":"CVE-2023-1255","qid":"502989","title":"Alpine Linux Security Update for Open Secure Sockets Layer (OpenSSL)"},{"cve":"CVE-2023-1255","qid":"503120","title":"Alpine Linux Security Update for openssl"},{"cve":"CVE-2023-1255","qid":"505905","title":"Alpine Linux Security Update for openssl"},{"cve":"CVE-2023-1255","qid":"941150","title":"AlmaLinux Security Update for Open Secure Sockets Layer (OpenSSL) (ALSA-2023:3722)"}]},"source_records":{"cve_program":{"data_version":"4.0","data_type":"CVE","data_format":"MITRE","CVE_data_meta":{"ID":"CVE-2023-1255","ASSIGNER":"openssl-security@openssl.org","STATE":"PUBLIC"},"description":{"description_data":[{"lang":"eng","value":"Issue summary: The AES-XTS cipher decryption implementation for 64 bit ARM\nplatform contains a bug that could cause it to read past the input buffer,\nleading to a crash.\n\nImpact summary: Applications that use the AES-XTS algorithm on the 64 bit ARM\nplatform can crash in rare circumstances. The AES-XTS algorithm is usually\nused for disk encryption.\n\nThe AES-XTS cipher decryption implementation for 64 bit ARM platform will read\npast the end of the ciphertext buffer if the ciphertext size is 4 mod 5 in 16\nbyte blocks, e.g. 144 bytes or 1024 bytes. If the memory after the ciphertext\nbuffer is unmapped, this will trigger a crash which results in a denial of\nservice.\n\nIf an attacker can control the size and location of the ciphertext buffer\nbeing decrypted by an application using AES-XTS on 64 bit ARM, the\napplication is affected. This is fairly unlikely making this issue\na Low severity one."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"buffer over-read"}]}]},"affects":{"vendor":{"vendor_data":[{"vendor_name":"OpenSSL","product":{"product_data":[{"product_name":"OpenSSL","version":{"version_data":[{"version_affected":"<","version_name":"3.1.0","version_value":"3.1.1"},{"version_affected":"<","version_name":"3.0.0","version_value":"3.0.9"}]}}]}}]}},"references":{"reference_data":[{"url":"https://www.openssl.org/news/secadv/20230419.txt","refsource":"MISC","name":"https://www.openssl.org/news/secadv/20230419.txt"},{"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=bc2f61ad70971869b242fc1cb445b98bad50074a","refsource":"MISC","name":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=bc2f61ad70971869b242fc1cb445b98bad50074a"},{"url":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=02ac9c9420275868472f33b01def01218742b8bb","refsource":"MISC","name":"https://git.openssl.org/gitweb/?p=openssl.git;a=commitdiff;h=02ac9c9420275868472f33b01def01218742b8bb"},{"url":"https://security.netapp.com/advisory/ntap-20230908-0006/","refsource":"MISC","name":"https://security.netapp.com/advisory/ntap-20230908-0006/"}]},"generator":{"engine":"Vulnogram 0.1.0-dev"},"source":{"discovery":"UNKNOWN"},"credits":[{"lang":"en","value":"Anton Romanov (Amazon)"},{"lang":"en","value":"Nevine Ebeid (Amazon)"}]},"nvd":{"publishedDate":"2023-04-20 17:15:00","lastModifiedDate":"2023-09-08 17:15:00","problem_types":["CWE-125"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H","attackVector":"NETWORK","attackComplexity":"HIGH","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"NONE","integrityImpact":"NONE","availabilityImpact":"HIGH","baseScore":5.9,"baseSeverity":"MEDIUM"},"exploitabilityScore":2.2,"impactScore":3.6}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*","versionStartIncluding":"3.1.0","versionEndExcluding":"3.1.1","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*","versionStartIncluding":"3.0.0","versionEndExcluding":"3.0.9","cpe_name":[]}]}]}},"legacy_mitre":{"record":null,"notes":[]}}}