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Out-of-bounds Read The advisory has been revoked - it doesn't affect any version of package capnproto  (opens in a new tab)

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EPSS
0.07% (22nd percentile)

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  • Snyk IDSNYK-UBUNTU2210-CAPNPROTO-3152224
  • published1 Dec 2022
  • disclosed30 Nov 2022
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Introduced: 30 Nov 2022

CVE-2022-46149  (opens in a new tab)
CWE-125  (opens in a new tab)

Amendment

The Ubuntu security team deemed this advisory irrelevant for Ubuntu:22.10.

NVD Description

Note: Versions mentioned in the description apply only to the upstream capnproto package and not the capnproto package as distributed by Ubuntu.

Cap'n Proto is a data interchange format and remote procedure call (RPC) system. Cap'n Proro prior to versions 0.7.1, 0.8.1, 0.9.2, and 0.10.3, as well as versions of Cap'n Proto's Rust implementation prior to 0.13.7, 0.14.11, and 0.15.2 are vulnerable to out-of-bounds read due to logic error handling list-of-list. This issue may lead someone to remotely segfault a peer by sending it a malicious message, if the victim performs certain actions on a list-of-pointer type. Exfiltration of memory is possible if the victim performs additional certain actions on a list-of-pointer type. To be vulnerable, an application must perform a specific sequence of actions, described in the GitHub Security Advisory. The bug is present in inlined code, therefore the fix will require rebuilding dependent applications. Cap'n Proto has C++ fixes available in versions 0.7.1, 0.8.1, 0.9.2, and 0.10.3. The capnp Rust crate has fixes available in versions 0.13.7, 0.14.11, and 0.15.2.

References