Bug 2119550 (CVE-2020-26235) - CVE-2020-26235 rust-time: potential segmentation fault due to dangling pointer dereference
Summary: CVE-2020-26235 rust-time: potential segmentation fault due to dangling pointe...
Keywords:
Status: NEW
Alias: CVE-2020-26235
Product: Security Response
Classification: Other
Component: vulnerability
Version: unspecified
Hardware: All
OS: Linux
low
low
Target Milestone: ---
Assignee: Product Security
QA Contact:
URL:
Whiteboard:
Depends On: 2119559 2119560 2119561 2119562
Blocks:
TreeView+ depends on / blocked
 
Reported: 2022-08-18 18:47 UTC by Guilherme de Almeida Suckevicz
Modified: 2024-02-13 03:57 UTC (History)
4 users (show)

Fixed In Version:
Clone Of:
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Description Guilherme de Almeida Suckevicz 2022-08-18 18:47:33 UTC
In Rust time crate from version 0.2.7 and before version 0.2.23, unix-like operating systems may segfault due to dereferencing a dangling pointer in specific circumstances. This requires the user to set any environment variable in a different thread than the affected functions. The affected functions are time::UtcOffset::local_offset_at, time::UtcOffset::try_local_offset_at, time::UtcOffset::current_local_offset, time::UtcOffset::try_current_local_offset, time::OffsetDateTime::now_local and time::OffsetDateTime::try_now_local. Non-Unix targets are unaffected. This includes Windows and wasm. The issue was introduced in version 0.2.7 and fixed in version 0.2.23.

References:
https://github.com/time-rs/time/issues/293
https://github.com/time-rs/time/security/advisories/GHSA-wcg3-cvx6-7396

Comment 1 Guilherme de Almeida Suckevicz 2022-08-18 19:00:41 UTC
Created rust-time-macros-impl tracking bugs for this issue:

Affects: fedora-all [bug 2119562]


Created rust-time-macros0.1 tracking bugs for this issue:

Affects: fedora-all [bug 2119561]


Created rust-time0.1 tracking bugs for this issue:

Affects: fedora-all [bug 2119559]


Created rust-timebomb tracking bugs for this issue:

Affects: fedora-all [bug 2119560]


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