Integer Overflow or Wraparound Affecting edk2-debuginfo package, versions <0:20200801stable-1.amzn2.0.5


Severity

Recommended
0.0
high
0
10

Based on Amazon Linux security rating.

Threat Intelligence

EPSS
0.85% (83rd percentile)

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  • Snyk IDSNYK-AMZN2-EDK2DEBUGINFO-6457786
  • published19 Mar 2024
  • disclosed16 Feb 2021

Introduced: 16 Feb 2021

CVE-2021-23840  (opens in a new tab)
CWE-190  (opens in a new tab)

How to fix?

Upgrade Amazon-Linux:2 edk2-debuginfo to version 0:20200801stable-1.amzn2.0.5 or higher.
This issue was patched in ALAS2-2024-2502.

NVD Description

Note: Versions mentioned in the description apply only to the upstream edk2-debuginfo package and not the edk2-debuginfo package as distributed by Amazon-Linux. See How to fix? for Amazon-Linux:2 relevant fixed versions and status.

Calls to EVP_CipherUpdate, EVP_EncryptUpdate and EVP_DecryptUpdate may overflow the output length argument in some cases where the input length is close to the maximum permissable length for an integer on the platform. In such cases the return value from the function call will be 1 (indicating success), but the output length value will be negative. This could cause applications to behave incorrectly or crash. OpenSSL versions 1.1.1i and below are affected by this issue. Users of these versions should upgrade to OpenSSL 1.1.1j. OpenSSL versions 1.0.2x and below are affected by this issue. However OpenSSL 1.0.2 is out of support and no longer receiving public updates. Premium support customers of OpenSSL 1.0.2 should upgrade to 1.0.2y. Other users should upgrade to 1.1.1j. Fixed in OpenSSL 1.1.1j (Affected 1.1.1-1.1.1i). Fixed in OpenSSL 1.0.2y (Affected 1.0.2-1.0.2x).

References

CVSS Scores

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