CVE-2021-3345: Buffer Overflow
First published: Fri Jan 29 2021(Updated: )
_gcry_md_block_write in cipher/hash-common.c in Libgcrypt version 1.9.0 has a heap-based buffer overflow when the digest final function sets a large count value. It is recommended to upgrade to 1.9.1 or later.
Credit: cve@mitre.org
| Affected Software | Affected Version | How to fix |
|---|---|---|
| GnuPG Libgcrypt | =1.9.0 | |
| Oracle Communications Billing and Revenue Management | =12.0.0.3.0 |
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Reference Links
- https://bugs.gentoo.org/show_bug.cgi?id=767814
- https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git;a=commit;h=512c0c75276949f13b6373b5c04f7065af750b08
- https://gnupg.org
- https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000455.html
- https://lists.gnupg.org/pipermail/gnupg-announce/2021q1/000456.html
- https://www.oracle.com//security-alerts/cpujul2021.html
- https://git.gnupg.org/cgi-bin/gitweb.cgi?p=libgcrypt.git%3Ba=commit%3Bh=512c0c75276949f13b6373b5c04f7065af750b08
Frequently Asked Questions
What is CVE-2021-3345?
_gcry_md_block_write in cipher/hash-common.c in Libgcrypt version 1.9.0 has a heap-based buffer overflow when the digest final function sets a large count value.
What is the severity of CVE-2021-3345?
The severity of CVE-2021-3345 is high (7.8).
Which software versions are affected by CVE-2021-3345?
Libgcrypt version 1.9.0 and Oracle Communications Billing and Revenue Management version 12.0.0.3.0 are affected by CVE-2021-3345.
How can I fix CVE-2021-3345?
It is recommended to upgrade to Libgcrypt version 1.9.1 or later to fix CVE-2021-3345.
Where can I find more information about CVE-2021-3345?
You can find more information about CVE-2021-3345 at the following references: [link1], [link2], [link3].
- collector/nvd-index
- agent/weakness
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- vendor/gnupg
- canonical/gnupg libgcrypt
- version/gnupg libgcrypt/1.9.0
- vendor/oracle
- canonical/oracle communications billing and revenue management
- version/oracle communications billing and revenue management/12.0.0.3.0