CVE-2023-1255 (GCVE-0-2023-1255)

Vulnerability from cvelistv5 – Published: 2023-04-20 16:14 – Updated: 2025-02-13 16:39
VLAI?
Title
Input buffer over-read in AES-XTS implementation on 64 bit ARM
Summary
Issue summary: The AES-XTS cipher decryption implementation for 64 bit ARM platform contains a bug that could cause it to read past the input buffer, leading to a crash. Impact summary: Applications that use the AES-XTS algorithm on the 64 bit ARM platform can crash in rare circumstances. The AES-XTS algorithm is usually used for disk encryption. The AES-XTS cipher decryption implementation for 64 bit ARM platform will read past the end of the ciphertext buffer if the ciphertext size is 4 mod 5 in 16 byte blocks, e.g. 144 bytes or 1024 bytes. If the memory after the ciphertext buffer is unmapped, this will trigger a crash which results in a denial of service. If an attacker can control the size and location of the ciphertext buffer being decrypted by an application using AES-XTS on 64 bit ARM, the application is affected. This is fairly unlikely making this issue a Low severity one.
Severity ?
No CVSS data available.
CWE
  • buffer over-read
Assigner
References
Impacted products
Vendor Product Version
OpenSSL OpenSSL Affected: 3.1.0 , < 3.1.1 (semver)
Affected: 3.0.0 , < 3.0.9 (semver)
Create a notification for this product.
Date Public ?
2023-03-21 00:00
Credits
Anton Romanov (Amazon) Nevine Ebeid (Amazon)
Show details on NVD website
To clipboard 

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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.\", \"supportingMedia\": [{\"type\": \"text/html\", \"value\": \"Issue summary: The AES-XTS cipher decryption implementation for 64 bit ARM\u003cbr\u003eplatform contains a bug that could cause it to read past the input buffer,\u003cbr\u003eleading to a crash.\u003cbr\u003e\u003cbr\u003eImpact summary: Applications that use the AES-XTS algorithm on the 64 bit ARM\u003cbr\u003eplatform can crash in rare circumstances. The AES-XTS algorithm is usually\u003cbr\u003eused for disk encryption.\u003cbr\u003e\u003cbr\u003eThe AES-XTS cipher decryption implementation for 64 bit ARM platform will read\u003cbr\u003epast the end of the ciphertext buffer if the ciphertext size is 4 mod 5 in 16\u003cbr\u003ebyte blocks, e.g. 144 bytes or 1024 bytes. If the memory after the ciphertext\u003cbr\u003ebuffer is unmapped, this will trigger a crash which results in a denial of\u003cbr\u003eservice.\u003cbr\u003e\u003cbr\u003eIf an attacker can control the size and location of the ciphertext buffer\u003cbr\u003ebeing decrypted by an application using AES-XTS on 64 bit ARM, the\u003cbr\u003eapplication is affected. This is fairly unlikely making this issue\u003cbr\u003ea Low severity one.\", \"base64\": false}]}], \"problemTypes\": [{\"descriptions\": [{\"lang\": \"en\", \"description\": \"buffer over-read\"}]}], \"providerMetadata\": {\"orgId\": \"3a12439a-ef3a-4c79-92e6-6081a721f1e5\", \"shortName\": \"openssl\", \"dateUpdated\": \"2023-09-08T16:06:36.509Z\"}}}",
      "cveMetadata": "{\"cveId\": \"CVE-2023-1255\", \"state\": \"PUBLISHED\", \"dateUpdated\": \"2025-02-13T16:39:19.031Z\", \"dateReserved\": \"2023-03-07T14:56:07.099Z\", \"assignerOrgId\": \"3a12439a-ef3a-4c79-92e6-6081a721f1e5\", \"datePublished\": \"2023-04-20T16:14:54.707Z\", \"assignerShortName\": \"openssl\"}",
      "dataType": "CVE_RECORD",
      "dataVersion": "5.1"
    }
  }
}


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Taxonomy of the tags.




Forecast uses a logistic model when the trend is rising, or an exponential decay model when the trend is falling. Fitted via linearized least squares.

Sightings

Author Source Type Date Other

Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.