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| ../bzlib/HSEC-2024-0002.md |
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| ```toml | ||
| [advisory] | ||
| id = "HSEC-2024-0002" | ||
| cwe = [787] | ||
| keywords = ["corruption", "vendored-code", "language-c"] | ||
| aliases = ["CVE-2019-12900"] | ||
|
|
||
| [[references]] | ||
| type = "DISCUSSION" | ||
| url = "https://gnu.wildebeest.org/blog/mjw/2019/08/02/bzip2-and-the-cve-that-wasnt/" | ||
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|
||
| [[references]] | ||
| type = "DISCUSSION" | ||
| url = "http://scary.beasts.org/security/CESA-2008-005.html" | ||
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||
| [[references]] | ||
| type = "ADVISORY" | ||
| url = "https://access.redhat.com/security/cve/cve-2019-12900" | ||
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| [[references]] | ||
| type = "FIX" | ||
| url = "https://sourceware.org/git/?p=bzip2.git;a=commit;h=7ed62bfb46e87a9e878712603469440e6882b184" | ||
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| [[affected]] | ||
| package = "bzlib" | ||
| cvss = "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N" | ||
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| [[affected.versions]] | ||
| introduced = "0.4" | ||
| fixed = "0.5.2.0" | ||
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| [[affected]] | ||
| package = "bz2" | ||
| cvss = "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N" | ||
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| [[affected.versions]] | ||
| introduced = "0.1.0.0" | ||
| fixed = "1.0.1.1" | ||
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| [[affected]] | ||
| package = "bzlib-conduit" | ||
| cvss = "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N" | ||
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| [[affected.versions]] | ||
| introduced = "0.1.0.0" | ||
| fixed = "0.3.0.3" | ||
| ``` | ||
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| # out-of-bounds write when there are many bzip2 selectors | ||
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| A malicious bzip2 payload may produce a memory corruption | ||
| resulting in a denial of service and/or remote code execution. | ||
| Network services or command line utilities decompressing | ||
| untrusted bzip2 payloads are affected. | ||
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| Note that the exploitation of this bug relies on an undefined | ||
| behavior that appears to be handled safely by current compilers. | ||
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| The Haskell libraires are vulnerable when they are built using | ||
| the bundled C library source code, which is the default | ||
| in most cases. |