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Merged
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Mar 11, 2024
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Add HSEC-2024-0002 #157

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d729ef5
Add HSEC-2024-0002
TristanCacqueray Mar 8, 2024
eeb1f88
cvss: add new test case
TristanCacqueray Mar 9, 2024
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1 change: 1 addition & 0 deletions advisories/hackage/bz2/HSEC-2024-0002.md
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../bzlib/HSEC-2024-0002.md
1 change: 1 addition & 0 deletions advisories/hackage/bzlib-conduit/HSEC-2024-0002.md
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../bzlib/HSEC-2024-0002.md
61 changes: 61 additions & 0 deletions advisories/hackage/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/"

[[references]]
type = "DISCUSSION"
url = "http://scary.beasts.org/security/CESA-2008-005.html"

[[references]]
type = "ADVISORY"
url = "https://access.redhat.com/security/cve/cve-2019-12900"

[[references]]
type = "FIX"
url = "https://sourceware.org/git/?p=bzip2.git;a=commit;h=7ed62bfb46e87a9e878712603469440e6882b184"

[[affected]]
package = "bzlib"
cvss = "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"

[[affected.versions]]
introduced = "0.4"
fixed = "0.5.2.0"

[[affected]]
package = "bz2"
cvss = "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"

[[affected.versions]]
introduced = "0.1.0.0"
fixed = "1.0.1.1"

[[affected]]
package = "bzlib-conduit"
cvss = "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N"

[[affected.versions]]
introduced = "0.1.0.0"
fixed = "0.3.0.3"
```

# out-of-bounds write when there are many bzip2 selectors

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.

Note that the exploitation of this bug relies on an undefined
behavior that appears to be handled safely by current compilers.

The Haskell libraires are vulnerable when they are built using
the bundled C library source code, which is the default
in most cases.
1 change: 1 addition & 0 deletions code/cvss/test/Spec.hs
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Expand Up @@ -27,6 +27,7 @@ examples =
, ("CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:C/C:L/I:L/A:N", 6.1, CVSS.Medium)
, ("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:L/I:L/A:N", 6.4, CVSS.Medium)
, ("CVSS:3.0/AV:N/AC:H/PR:N/UI:R/S:U/C:L/I:N/A:N", 3.1, CVSS.Low)
, ("CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:N", 4.0, CVSS.Medium)
, ("CVSS:3.0/AV:N/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H", 9.9, CVSS.Critical)
, ("CVSS:3.0/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:L/A:L", 4.2, CVSS.Medium)
, ("CVSS:2.0/AV:N/AC:L/Au:N/C:N/I:N/A:C", 7.8, CVSS.High)
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