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RUSTSEC-2020-0071: Potential segfault in the time crate
Potential segfault in the time crate
Details | |
---|---|
Package | time |
Version | 0.1.44 |
URL | time-rs/time#293 |
Date | 2020-11-18 |
Patched versions | >=0.2.23 |
Unaffected versions | =0.2.0,=0.2.1,=0.2.2,=0.2.3,=0.2.4,=0.2.5,=0.2.6 |
Impact
Unix-like operating systems may segfault due to dereferencing a dangling pointer in specific circumstances. This requires an environment variable to be set in a different thread than the affected functions. This may occur without the user's knowledge, notably in a third-party library.
The affected functions from time 0.2.7 through 0.2.22 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
time::OffsetDateTime::try_now_local
The affected functions in time 0.1 (all versions) are:
at
at_utc
Non-Unix targets (including Windows and wasm) are unaffected.
Patches
Pending a proper fix, the internal method that determines the local offset has been modified to always return None
on the affected operating systems. This has the effect of returning an Err
on the try_*
methods and UTC
on the non-try_*
methods.
Users and library authors with time in their dependency tree should perform cargo update
, which will pull in the updated, unaffected code.
Users of time 0.1 do not have a patch and should upgrade to an unaffected version: time 0.2.23 or greater or the 0.3. series.
Workarounds
No workarounds are known.
References
See advisory page for additional details.
RUSTSEC-2020-0056: stdweb is unmaintained
stdweb is unmaintained
Details | |
---|---|
Status | unmaintained |
Package | stdweb |
Version | 0.4.20 |
URL | koute/stdweb#403 |
Date | 2020-05-04 |
The author of the stdweb
crate is unresponsive.
Maintained alternatives:
See advisory page for additional details.
RUSTSEC-2018-0019: Multiple memory safety issues
Multiple memory safety issues
Details | |
---|---|
Package | actix-web |
Version | 4.0.0-beta.8 |
URL | actix/actix-web#289 |
Date | 2018-06-08 |
Patched versions | >=0.7.15 |
Affected versions contain multiple memory safety issues, such as:
- Unsoundly coercing immutable references to mutable references
- Unsoundly extending lifetimes of strings
- Adding the
Send
marker trait to objects that cannot be safely sent between threads
This may result in a variety of memory corruption scenarios, most likely use-after-free.
A signficant refactoring effort has been conducted to resolve these issues.
See advisory page for additional details.
RUSTSEC-2020-0159: Potential segfault in `localtime_r` invocations
Potential segfault in
localtime_r
invocations
Details | |
---|---|
Package | chrono |
Version | 0.4.19 |
URL | chronotope/chrono#499 |
Date | 2020-11-10 |
Impact
Unix-like operating systems may segfault due to dereferencing a dangling pointer in specific circumstances. This requires an environment variable to be set in a different thread than the affected functions. This may occur without the user's knowledge, notably in a third-party library.
Workarounds
No workarounds are known.
References
See advisory page for additional details.
RUSTSEC-2020-0048: Use-after-free in BodyStream due to lack of pinning
Use-after-free in BodyStream due to lack of pinning
Details | |
---|---|
Package | actix-http |
Version | 3.0.0-beta.9 |
URL | actix/actix-web#1321 |
Date | 2020-01-24 |
Patched versions | >=2.0.0-alpha.1 |
Affected versions of this crate did not require the buffer wrapped in BodyStream
to be pinned,
but treated it as if it had a fixed location in memory. This may result in a use-after-free.
The flaw was corrected by making the trait MessageBody
require Unpin
and making poll_next()
function accept Pin<&mut Self>
instead of &mut self
.
See advisory page for additional details.
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