Add HSEC-2024-0002

Author: TristanCacqueray

advisories/hackage/bz2/HSEC-2024-0002.md

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+../bzlib/HSEC-2024-0002.md

advisories/hackage/bzlib-conduit/HSEC-2024-0002.md

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+../bzlib/HSEC-2024-0002.md

advisories/hackage/bzlib/HSEC-2024-0002.md

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+```toml
+[advisory]
+id = "HSEC-2024-0002"
+cwe = [787]
+keywords = ["corruption"]
+
+[[references]]
+type = "DISCUSSION"
+url = "https://gnu.wildebeest.org/blog/mjw/2019/08/02/bzip2-and-the-cve-that-wasnt/"
+
+[[references]]
+type = "FIX"
+url = "https://sourceware.org/git/?p=bzip2.git;a=commit;h=7ed62bfb46e87a9e878712603469440e6882b184"
+
+[[affected]]
+package = "bzlib"
+cvss = "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
+
+[[affected.versions]]
+introduced = "0.4"
+
+[[affected]]
+package = "bz2"
+cvss = "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
+
+[[affected.versions]]
+introduced = "0.1.0.0"
+
+[[affected]]
+package = "bzlib-conduit"
+cvss = "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"
+
+[[affected.versions]]
+introduced = "0.1.0.0"
+```
+
+# out-of-bounds write when there are many bzip2 selectors
+
+A malicious bzip2 payload may produce a memory corruption
+resulting in remote code execution.
+Network services or command line utilities decompressing
+untrusted bzip2 payloads are affected.
+
+Note that the exploitation of this bug relies on an undefined
+behavior that appears to be handled safely by current compiler.